Wojciech J Florkowski

• Ph.D.
• Professor (Full) at University of Georgia

Purpose This study aims to assess the effects of risk perception and management subject satisfaction on consumers' online meal food safety self-protection behavior during the COVID-19 pandemic. Design/methodology/approach This study uses 742 questionnaires collected via a two-stage online survey conducted during the COVID-19 pandemic, between Dece...

Aim: The study generates information about the expected electricity costs under several scenarios including PV panel and storage battery additions using the case of a rural prosumer operating a micro-PV installation and faced with a decision to switch to the new net-billing (NB) system or continue with net-metering (NM) (given the new subsidy for a...

Food insecurity has plagued Ethiopia for decades. The objective of this study is determining which personal attributes, household features, income-generating undertakings, and regional location change the food insecurity of Ethiopian households updating past studies. Furthermore, the study quantifies the probability changes in a household being foo...

To protect the safety of food bought from the online catering sector, the former State Food and Drug Administration of China issued two separate regulations in 2016 and 2017. Independently, the Shanghai government formulated local regulations, including the Shanghai Online Catering Service Supervision and Management Measures, to strengthen food saf...

This study aimed to compare the costs of two methods in establishing a native wildflower habitat using transplants while controlling weeds. The first method involved no-tillage and glyphosate herbicide and the second method used dazomet herbicide with tillage. Direct expenses included the initial establishment of the transplants under two differing...

3 The study investigates the effects of the Russian-Ukrainian war, the COVID-19 pandemic, and 4 exchange rate fluctuations on the average return, contagion dynamics, and persistence of risks 5 associated with three staples in Türkiye: wheat, sunflower oil, and corn. The pandemic and the war 6 disrupted the grain, oil seed, and fertilizer supply fro...

Tree care license requirements are expected to improve service quality and provider competencies. The study elicits the licensing fee Georgia firms would pay using survey data from 153 tree care firms. An empirical relationship identifies firm characteristics that influence the fee size using the inverse hyperbolic sine transformation function. Res...

This study examines the frequency use of cooking fuels by residents of four urban areas in Uganda (Kampala, Lira, Soroti, and M’bale). The specific objective is to identify urban dweller characteristics influencing the frequency of use of fuelwood, charcoal, kerosene, gas, or electricity in daily cooking. An ordered probit regression uses the surve...

Online food community purchases contributed to urban residents' food security during the COVID-19 pandemic in Shanghai. The influence of the outbreak on the purchasing behavior of an online food community was examined. An innovative e-commerce model describes how the online community purchases facilitate integration of local food and agri-product r...

The article identifies factors influencing consumer attitudes with regard to unconsumed food in the wealthy economy of the United Arab Emirates (UAE), where the vast majority of the population are transient residents. The estimated regression coefficients were used to calculate the marginal effects, which measure change in probability of attitude t...

Background The 2002 World Health Report documented that low fruit and vegetable intake are among the top ten risk factors contributing to attributable mortality and up to three million lives could be saved each year by adequate consumption of F&V across the globe, leading an examination of behavioral preferences of the individual and family social,...

Background The 2002 World Health Report documented that low fruit and vegetable intake are among the top ten risk factors contributing to attributable mortality and up to three million lives could be saved each year by adequate consumption of F&V across the globe, leading an examination of behavioral preferences of the individual and family social,...

This paper examines the perception of risk associated with the presence of coronavirus in food purchased online and online vs. offline food shopping during the COVID-19 epidemic. The influence of COVID-19 status on risk perception was tested using the data collected from 742 consumers between December 2021 and January 2022. The empirical approach d...

This study examines the volatility of beef and lamb prices in Türkiye, as food price inflation compromises the food security of low- and middle-income households. The inflation is the result of a rise in energy (gasoline) prices leading to an increase in production costs, together with a disruption of the supply chain by the COVID-19 pandemic. This...

List> ● Farmer adoption of organic fertilizer and biopesticides was found to be positively correlated. ● The technical environment had a significant positive impact on farmers’ adoption of organic fertilizers and biopesticides. ● Technology training and local accessibility to new agricultural technologies enhanced both the adoption of organic fe...

The study aimed at reviewing the European Union funds’ distribution mechanism supporting investments in renewable energy deployment in Poland, its effects and the relationship between the value of each investment and its location, location area characteristics, the type of investing entity, and the type of RE to be utilized once the investment is c...

Currently, the quality and safety of agricultural products and the enhancement of the agroecological environment are widely discussed. In response to solving the problem of insufficient exploitation of the market potential regarding sustainable agricultural products, this study uses rice on e-commerce platforms as an empirical case and constructs a...

The sustained growth of global meat consumption incentivized the development of the meat substitute industry. However, long-term global commercialization of meat substitutes faces challenges that arise from technological innovation, limited consumer awareness, and an imperfect regulatory environment. Many important questions require urgent answers....

Heat pump technology offers a path towards reducing the use of fossil fuels to heat space, providing energy bill savings and reducing air pollution and GHG emissions. The choice of heating method is based on costs; hence, this study examines the gains from operating heat pump systems in public buildings as well as alternative systems using electric...

This study focuses on the choice of rural residents to provide ecotourism services and the effects on their household income as a path to alleviate urban-rural income discrepancy using survey data collected in villages located in Beijing Province in China. The empirical modelling of the decision to offer ecotourism services originated from the fram...

The world’s growing population requires an adequate supply of protein to maintain food security, but animal protein production is limited by the finite resources of land, fresh water, and ocean capacity. Several meat substitutes offer protein alternatives that may improve food security in less-developed economies. However, perceptions of difference...

The volatility of meat prices affects the accessibility and even food security of some consumers in Turkey. This study analyses the prices of selected livestock and a major feed component, wheat, as well as the exchange rate of the domestic currency in Turkey because imports augmented the domestic live calf and sheep supply. The analysis applies 47...

This study identifies the driving forces that contribute to the probabilities of incidence of out-of-pocket (OOP) expenditures by households in Turkey. Factors affecting the probability of OOP expenditures on medical products/devices/supplies (MP), outpatient services (OTS), and inpatient services (ITS) are examined using the Household Budget Surve...

Purpose This paper examines pre- and post-production water treatment practices among food processors and investigates factors, especially managerial perceptions of environmental pressure that encourage or preclude either process. Design/methodology/approach To consider potential spillover effects across two water-treatment practices, the bivariate...

The text mining technique was applied for exploring associations between consumption of fruits and vegetables and published words describing postharvest research. Text mining was applied here by focusing on searches for words and terms classified into five groups corresponding to the four parts of this book (whole system, product, process, and perc...

Migrant workers in China are experiencing social isolation caused by institutional and non-institutional barriers. This paper explores the relationship between social isolation and migrants’ smoking behavior as well as gender differences in smoking. Migrants’ social isolation is systematically measured from the structural and qualitative perspectiv...

The book contains 21 chapters focused on the postharvest handling of fresh fruit and vegetables grouped in four categories: Whole Systems, Product, Processes, Perceptions. The 4th edition contains updated and new chapters written by experts in various disciplines involved in the postharvest handling of fresh fruit and vegetables. The book is intend...

This study examines the importance customers attach to online meal service quality and delivery speed using data collected in 2017. The structured questionnaire probed for views on meal delivery services and socio-demographic information. The respondents participating in the survey were located in cities across 29 provinces in China. Ordered logit...

Consumption of aquatic products in China continues to grow and encourages the expansion of aquaculture farms. The examination of factors influencing expenditures on all aquatic products, freshwater fish, squid/octopus, and shellfish uses survey data collected from residents of Shanghai, China. The use of the Tobit modeling approach identified socio...

This study models the frequency use of wood, charcoal, liquid gas, electricity, and kerosene in urban households in Ghana and supplements the literature on cooking fuel choices. The modeling is based on survey data collected in several major Ghanaian cities. Survey results indicate that charcoal and liquid gas are frequently used in meal preparatio...

The paper’s objective is to quantify factors influencing a rural homeowner’s decision to invest in exterior insulation to improve energy efficiency, lower heating costs, decrease air pollution, and reduce ash disposal and time spent monitoring coal-burning stoves. The study estimates a probit decision equation using survey data collected from an ar...

This study examines the integration of regional dairy markets in Poland, which is a major European dairy producing country. The analysis of prices is important, as many dairy farmers are members of dairy processing cooperatives, and their incomes are affected by the prices of two popular products: butter and curd. Moreover, the period of study incl...

This chapter focuses on wood pellets as a renewable, environmentally friendly, and locally available energy source that has a potential to replace fossil fuels, especially coal, in space and water heating in Poland’s rural areas. The use of wood pellets results in substantial reduction of GHG emissions and particulate matter, while generating a sma...

Research background: The motive behind intentional non-microbiological contamination or adulteration of foods is to limit costs, enhance competitiveness, and increase profits. Profits motivate entrepreneurs and costs caused by operating a quality assurance program that is not offset by revenue increases are resisted. Purpose of the article: To und...

Energy and climate policies benefit from modernized construction technology and energy supply source choices. Energy-efficiency improvement and CO2 emission reduction will result from renewable energy (RE) utilization in new and retrofit single-family houses in rural Poland. Several house construction scenarios and heating energy sources comparing...

The purpose of the study was the investigation of horticultural firm behavior regarding plastic waste recycling and the constraints and incentives to increase the volume of recycled plastics. Licensed horticultural firms in Georgia recycle plastic waste such as plastic pots, trays, and multipacks to varying degrees. The survey involved horticultura...

Obtaining a Plant Breeders’ Rights (PBR) certificate provides horticultural institutions the exclusive right to produce and reproduce new varieties, which directly motivate new plant variety innovations. This study investigates how the grant and surrender lag of PBR certificates is influenced by the crop type and applicant characteristics using the...

The chapter presents the spread of African Swine Fever (ASF) in Podlaskie Voivodship in Poland and discusses the changes in the production of hogs in the region in recent years, trends in the number of hogs and farms engaged in hog production, the role of small farmers in hog production and spread of ASF, and the relevance of pork self-supply and t...

Knowledge of strategies to improve farm household resilience to food insecurity and counter adverse weather events and poor resource endowment is a pre-requisite for implementing solutions fitting local conditions. This paper examines subsistence farmer knowledge of strategies to cope with food insecurity and progressive climate change in the Lower...

Biodegradable containers of various types are available on the market and can be directly purchased by growers and homeowners. However, adoption of these containers has been slow, limiting their potential as an alternative to plastic containers. It is crucial to assess level of knowledge and use of biodegradable containers by horticultural growers...

A single and a double bootstrap of data envelopment analysis examines Harran Plain cotton farming in Turkey. The single bootstrap technique was employed to derive the bias-corrected efficiency values under both constant returns to scale (CRS) and versus variable returns to scale (VRS) technologies while discriminating between the two technologies u...

Quality-certified, nutritious novel groundnut spread has great commercialization possibilities due to evolving urban lifestyles in Africa, but lack of information about likability, sensory attributes, and consumer safety awareness is a severe barrier for small enterprises.This paper examines a novel groundnut spread, made of sorted kernels deemed f...

Biomass is a major source of renewable energy in the EU and Poland, stimulating the growth of the wood pellet sector. Wood pellet demand is stimulated by a complex interaction of market forces and policies including EU climate, energy, and environmental regulations, Poland’s program to improve air quality, and subsidies for the replacement of ineff...

he Northern Corridor (NC) is the main route connecting the land-locked countries of East Africa with the port of Mombasa and is heavily used for shipping goods, including perishable cargo. This paper examines how factors pertaining to truck features, job conditions, and truck driver characteristics influence the decision to accept perishable cargo...

Heavy dependence on fossil fuels among rural households contributes to GHG emissions and air pollution while increasing landfill loads in Poland. This study examines benefits from the renewable energy utilization support program that subsidized household purchase and installation of thermal solar panels. This review of synergy between energy, clima...

Abstract Purpose – The purpose of this paper is to examine urban households’ willingness to pay (WTP) for milk safety and to analyze the factors affecting WTP premiums using data obtained from surveys conducted in Samsun and Trabzon provinces, Turkey. Design/methodology/approach – Contingent valuation and censoring methods including the error-depen...

Purpose The purpose of this paper is to examine urban households’ willingness to pay (WTP) for milk safety and to analyze the factors affecting WTP premiums using data obtained from surveys conducted in Samsun and Trabzon provinces, Turkey. Design/methodology/approach Contingent valuation and censoring methods including the error-dependent bivariat...

Renewable energy (RE) sources are often locally available and have the potential to lessen the rural dependence on the national power grid, reducing disruptions in power supplies and the heavy dependence on coal combustion. Poland faces an EU mandate of a 15% share of renewables in energy generation by 2020. However, the installations intended to s...

Renewable energy (RE) sources are often locally available and have the potential to lessen the rural dependence on the national power grid, reducing disruptions in power supplies and the heavy dependence on coal combustion. Poland faces an EU mandate of a 15% share of renewables in energy generation by 2020. However, the installations intended to s...

This preliminary study identifies individual characteristics and job features that significantly influence the selection of meat for breakfast and lunch by truck drivers in Kenya. Based on the survey data collected in July 2017, two equations are estimated using the logit technique. Results show that individual characteristics drive the choice of n...

This study focuses on the intake of vitamin A from staple foods that are or could be fortified using a survey conducted in three major cities in Ghana. The study distinguishes among consumption frequencies, i.e., daily, weekly, and monthly, of five staples (wheat and maize flour, groundnut oil, palm oil, and vegetable oil). A multivariate probit te...

Solar energy utilization by rural households in Poland contributes to the EU-mandated increase in renewable energy use, while lowering emission, dependence on fossil fuels, and energy costs, and improving air quality. Using the survey data collected from owners of passive solar panels in rural areas, this study examines the importance of selected r...

Poland depends on imports for its transportation fuel supply and EC renewable energy policy encourages rapeseed conversion into biodiesel. This paper discusses changes in winter rapeseed production following changes in sugar policy, decreased dependence on potato use as feed and food, and the EU 2007–2009 support program for production of oil seeds...

Thermal solar panel installation has been growing in Poland in response to the EU policies and available subsidies. This paper investigates the attitudes of residents of four counties in Mazowieckie Voividship in Poland about the origin of solar panels. Results show that rural residents did not attach importance to awarding preferences to domestic...

The paper examines self-reported food waste volume generated by a sample of rural households accounting for four different categories of food waste. Food waste does occur and some of it is unavoidable leading to the question how to manage it. This study identifies factors responsible for the volume of self-reported food waste by category, but also...

In developing countries, problems such as malnutrition and food insecurity are shifting from rural to urban areas because of rapid urbanization. However, regional variations in alimental food consumption within urban settings have often been ignored. Using survey data, our study examines regional patterns of expenditure on fresh vegetables, fruits,...

The cover image, by Ting Meng et al., is based on the Research Article Preferences for groundnut products among urban residents in Ghana, DOI: 10.1002/jsfa.8532. Photo Credit: Wojciech J Florkowski.

A Just–Pope production function is employed to investigate the effects of historic weather changes on hard red spring wheat yield variability in Manitoba. Field-level data on wheat yield, proportion of wheat seeded area, and fertilizer inputs from the Manitoba Agricultural Services Corporation were employed to determine how temperature and precipit...

Celem analizy było zbadanie związku między wzrostem lesistości a gruntami rolnymi w latach 2010-2015 oraz korelacją pomiędzy lesistością a migracją wewnętrzną mieszkańców poszukujących zatrudnienia poza rolnictwem (m.in. przez rejestrację mikroprzedsiębiorstw) na przykładzie województwa podlaskiego. Zastosowano metodę opisową, którą poszerzono o wy...

Small farmers grow peanuts to feed their families and to sell a portion of the crop to raise cash to pay, among others, their children school fees. The dual nature of peanut crop has been recognized, but not rigorously examined. The amount of sold peanuts depends on a number of factors and varies by location. This paper specifies an empirical relat...

Background: This study identifies factors influencing preferences for common groundnut products using information about product perceptions from residents in Ghana's cities collected in 2011. In Ghana, domestically produced groundnuts, processed into a variety of groundnut products, are a vital source of protein and other nutrients. Results: Res...

Previous hedonic price studies on wine market segments, exploring diverse price functions, are constrained by pre-determined price breakpoints, the total number of segments, or both. Using British Columbia Liquor Distribution Branch (BCLDB) retail price data of California red and white wines, this study adopts an endogenous approach to explore the...

Total horticultural farm cash receipts were Can $8.6 billion in Canada in 2014. Horticultural crops have dominated the Plant Breeders’ Rights Office (PBRO) application submissions. In this paper we examine firstly the application pattern of plant breeders’ rights (PBR) for horticultural crops following the enactment of the Canadian Plant Breeders’...

Increased forest areas and climate change mitigation are policy goals enhanced by expanding private forest ownership. This study shows transfer of land from farms owning forested acreage associated with low quality land and high production costs achieves such goals. Calculated cost efficiency scores show a large gap between the most and least effic...

The IPCC indicates that global mean temperature increases of 2°C or more above preindustrial levels negatively affect such crops as wheat. Canadian climate model projections show warmer temperatures and variable rainfall will likely affect Saskatchewan's canola and spring wheat production. Drier weather will have the greatest impact. The major clim...

This paper uses the Analytic Hierarchy Process (AHP) to select the alternative consistent with the goal of achieving energy security in Poland. The study considers three possible alternatives: the extraction of shale gas from domestic sources (A), diversification of gas supply (B), and maintaining the status quo (C). Data for comparisons were obtai...

The collapse of state ownership, following the dissolution of the Soviet Union, launched a new era of self-employment and small businesses in need of financing services throughout the region. This research investigates whether the traditional microfinance lending paradigm that adopts a two-pronged mission of financial sustainability and poverty out...

Fresh fruit consumption positively influence on health maintenances, disease prevention and weight management (Badurally et al., 2012). WHO (2002) recommends that the daily intake of fresh fruit and vegetables at 400 g per day, but it falls below the recommended amount in much of sub-Saharan Africa. Ghana stands out among African countries with rel...

Poland has been a traditional exporter of fresh apples to Russia (and earlier the Soviet Union). Indeed in 2013, Poland exported 600,000 tons of apples to Russia, about one half of its total fresh apple exports. Within the European Union, Poland has become the largest apple producer surpassing Italy, while in 2013 Poland was also the largest world...

Groundnuts, which are widely consumed in West Africa, are prone to contamination by aflatoxins during production, storage and processing. Althougln aflatoxins play a role in many important health risks in developing countries, individuals and governments often ignore the risks because the health effects are not immediate. The objective of this pape...

This study identifies respondent characteristics influencing the opinion of Polish residents regard - ing the euro. Using data collected from 200 residents of Łuków and Biała Podlaska districts in Lubelskie Province, a decision model was specified where the choice of opinion about the euro was determined by demographic and socio-economic characte...

Podlaskie Voivodship is located in a climatic zone perceived as unfavourable for pear production. This study examines production, trade and consumption of pears in Poland and argues that Podlaskie Voivodship can exploit the existing demand for pears in the region given the physiological opportunities resulting from the phenomenon known as parthenoc...

This study describes the development of sweet cherry production in Poland in the context of relationship between quality attributes and wholesale prices as well as modernization of orchards creating opportunities for increased exports. Global demand for sweet cherries increases because of their perceived unique health benefits, but the fruit must h...

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Environmental horticulture firms provide a variety of commercial/residential landscape products and services encompassing ornamental plant production, design, installation, and maintenance. The companies generate tons of waste including plastic containers, trays, and greenhouse/field covers, creating the need to reduce and utilize plastic waste. Ba...

We examine British Columbia (BC) wine consumers’ valuation of wine imported from emerging suppliers (Argentina, Bulgaria, Chile, Croatia and Hungary) using hedonic pricing technique. BC Liquor Distribution Branch retail sales data covering weekly sales of table wine imported into the province of British Columbia from all five countries for the peri...

This paper examines the cost efficiency of dairy farms in 2 important regions of commercial milk production in Poland (i.e., Wielkopolskie and Podlaskie). Both regions gained importance following the market-driven resource allocation mechanism adopted after Poland's transition to the market economy in 1989 and accession to the European Union (EU) i...

In an era of increased globalization of agricultural trade and rapid biotechnology advances in developing crops with multiple traits, public and private institutions are facing increasing pressure to protect their technologies and develop partnerships to fund research. Under the auspices of international intellectual property rights agreements, Can...

Fruit and vegetable consumption in emerging market economies is responsive to economic factors, but also highly dependent on socio-demographic factors such as household size, occupation, and education level of consumers. Although the average consumption of fruits and vegetables is near the WHO daily recommended level, some groups may not consume an...

The study examines factors associated with BMI among urban women responsible for food shopping and preparation in the Republic of Korea. The preliminary ANOVA analysis of the survey data collected from women residing in seven major urban centers is followed by the logistic estimation of the equation identifying individual characteristics and househ...

About half of raw milk production in Turkey is sold under unsanitary conditions in open-air markets or by street vendors without following appropriate food safety standards and the consumers face a very high risk of consuming potentially unsafe dairy products. This research aims to assess consumers' awareness and attitudes about food safety, and to...

The majority of consumers across the globe do not eat the WHO daily recommended amount of fruits and vegetables. Actual consumption is influenced by a multitude of factors. This chapter focuses on household income and expenditure to illustrate the variation of fresh fruit and vegetable consumption using primary and secondary data from household sur...

Diet-related chronic health conditions such as obesity, diabetes, and heart disease have attracted a lot of attention. Food retail outlets play a significant role in affecting consumers' diet-related health and nutrition by the foods they sell and prices they charge. This study assessed the relative importance of different food retail outlets, iden...

An understanding of the behavior of farm-level cherry fruit prices has implications for tree fruit investment decisions and market development strategies. This paper investigates market integration, price leadership, and price formation in British Columbia (BC), Washington and California cherry markets over the period 1971- 2011. Employing annual f...