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Introduction
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January 2007 - September 2015
Education
October 1982 - November 1984
Publications
Publications (49)
Due to a contrasting empirical literature, we revisit the influence of board gender diversity (BGD) on corporate social performance (CSP) by carefully considering the thorny issue of endogeneity, which plagues this matter. Building on stakeholder theory (Freeman, Freeman, R. E. (1984). Strategic management: A stakeholder approach. Pitman.; Freeman...
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Given the contrasting empirical results of the literature, the question of the influence of the presence of women on corporate boards of directors (WOCB) on the corporate social performance (CSP), we revisit this problem by developing a semi-parametric approach to capture the non-linear effects of this relationship. The results show that sociologic...
This study re-examines the relationship between women on corporate boards (WOCB) and corporate social performance (CSP) for a sample of companies from the Fortune 1000 ranking over the period 2004 to 2018 (ranked from 501 to 1000). To take into account the complex and non-linear relationship as well as endogeneity issues, we use a two-stage general...
Objective
The Caribbean has seen a dramatic shift in the obesity and chronic disease prevalence over the past decades, suggesting a nutrition transition. Simultaneously, Martinique has faced a demographic transition marked by significant population ageing. We aimed to differentiate the contribution of changes in health status and dietary intakes du...
Food environments have been evolving rapidly in lower-middle-income countries. Nevertheless, little is known about the impact of these changes on diet quality. Thanks to the availability of detailed data on Vietnamese household consumption, this chapter presents a set of first results on the association between food sources and diet quality. These...
Over the last years the Vietnamese banking system has been struggling to restructure, reform governance, consolidate financial statements and build up merge and acquisition, in line with international standards. The Bank for International Settlements (BIS) proposed BASEL III in 2010, whereby banks must increase their minimum Capital Adequacy Ratios...
Refrigerator ownership accompanies socio-economic development, with the potential to change human diets. Household refrigerator ownership in Vietnam has increased from 13% to 59% between 2004-2014. This study estimates changes in food consumption and diet linkages with household refrigerator ownership in Vietnam, while controlling for socioeconomic...
Food environments in Southeast Asia's emerging economies are rapidly evolving, alongside fast-paced socioeconomic and demographic changes. The widespread expansion of supermarkets and parallel restructuring of traditional markets in Vietnam are likely to impact patterns of household food acquisition. Using provincial-level time series data on the a...
Food environments in Southeast Asia's emerging economies are rapidly evolving, alongside fast-paced socioeconomic and demographic changes. The widespread expansion of supermarkets and parallel restructuring of traditional markets in Vietnam are likely to impact patterns of household food acquisition. Using provincial-level time series data on the a...
Income inequality (between genders, regions such as rural and urban areas, countries or two periods) is a central issue in economic research, in many developed and developing countries. While empirical applications of decomposition methods are popular, researchers continue developing new theories to obtain detailed factors/causes of inequality. The...
We are interested in modeling the impact of media investments on automobile manufacturer's market shares. Regression models have been developed for the case where the dependent variable is a vector of shares. Some of them, from the marketing literature, are easy to interpret but quite simple (Model A). Alternative models, from the compositional dat...
This method decomposes the between-year change in various indicators related to the outcome distribution (mean, median, quantiles…) into the effect due to between-year change in the conditional distribution of the outcome given sociodemographic characteristics, or “structure effect”, and the effect due to the differences in sociodemographic charact...
Assessing the nonlinearity of the calorie-income relationship is a crucial issue when evaluating policies aimed at fighting against malnutrition. A natural choice would be to adopt a fully nonparametric specification of the relationship in order to let the data reveal its nonlinearity. But, we would be faced with the problem of the curse of dimensi...
This paper contributes to the analysis of the impact of socioeconomic factors, like food expenditure level and urbanization, on diet patterns in Vietnam, from 2004 to 2014. Contrary to the existing literature, we focus on the diet balance in terms of macronutrients consumption (protein, fat and carbohydrate) and we take into account the fact that t...
Vietnam is undergoing a nutritional transition like many middle-income countries. This paper proposes to highlight the socio-demographic drivers of this transition over the period 2004-2014. We implement a method of decomposition of between-year differences in economic outcomes recently proposed in the literature. This method allows decomposing the...
Growth with equity and reducing poverty are important goals in
Vietnam. This study contributes to the literature on the economic inequality between urban and rural locations in Vietnam in the decade from 2004 to 2014. We use the logarithm of real per capita consumption expenditure from the Vietnam Household Living Standard Survey as a measure of we...
Vietnam has recorded impressive achievements in growth performance after the Economic reforms (1984). There ia an evolution of the nutrition transition in Vietnam from 2004 - 2014 a shift towards consuming more protein and fat. How do socio-demographic characteristics of Vietnamese households drive this nutrition transition? We apply the decomposit...
When the aim is to model market shares, the marketing literature proposes some regression models which can be qualified as attraction models. They are generally derived from an aggregated version of the multinomial logit model. But aggregated multinomial logit models (MNL) and the so-called generalized multiplicative competitive interaction models...
This paper revisits the issue of estimating the relationship between calorie intake and income, and presents and compare estimates of this relationship for China and Vietnam. Semiparametric generalized additive models are estimated and their performances are compared to the performance of the classical double log model using the revealed performanc...
Policies aimed at reducing starvation and redressing nutritional deciencies remain among the most widely accepted policies in the world. These policies can take many dierent forms, from subsidized prices of basic foodstus to cash transfers, and their eectiveness depends on the existence of a sensitivity of food demand to income variation and its ma...
Recent research on calorie intake and income relationship abounds with parametric models but usually gives inconclusive results. Our paper aims at contributing to this literature by using recent advances in the estimation of generalized additive models with penalized spline regression smoothing (GAM). These semi-parametric models enable mixing para...
Media investments in the automobile market represent a very large amount of money allocated to different channels : TV, radio, press, outdoor, digital and cinema. Car manufacturers want to analyze the impact of media investments on their sales in order to optimize the amount spent and the allocation across channels. This cannot be done without taki...
This paper applies the β-convergence regression model in order to assess convergence of total factor productivity among Vietnamese provinces for manufacturing industries. Specifically, we express this model in the form of a Spatial Durbin Model (SDM), which allows us to take into account the presence of omitted variables that can be spatially corre...
This paper applies the ß-convergence regression model in order to assess convergence of total factor productivity among Vietnamese provinces for manufacturing industries. Specifically, we express this model in the form of a Spatial Durbin Model (SDM), which allows us to take into account the presence of omitted variables that can be spatially corre...
This article aims to provide a clearer view on the recent evolutions of the Vietnamese banking system that can be useful to public authority when taking restructuring decisions. This article focuses on the evolution of productivity of Vietnamese banks over the period 2008 to 2012, and on the evolution of the different components of this productivit...
Nonparametric estimation methods are experiencing a growing success in their application in economics. This success comes from the fact that they do not imply any assumption about the object to estimate: probability density function, regression model… and let the data determine an appropriate model. This paper gives an introduction to nonparametric...
European Union regulation on quality food products (protected designations of origin (PDO) labelling) is expected to sustain
competitiveness within the agricultural sector. This paper examines the impact of this policy on the survival of cheese firms
over the period 1990–2006 in France. We show that such a policy (Appellation d'Origine Controlée) r...
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Recent studies argue that the spread-adjusted Taylor rule (STR), which includes a response to the credit spread, replicates monetary policy in the United State. We show (1) STR is a theoretically optimal monetary policy under heterogeneous loan interest rate contracts in both discretionay and commitment monetary policies, (2) however, the optimal r...
A recent study in agricultural products has brought out evidence of asymmetrical transmission of price changes according to the sign (positive or negative) of past variation. Interestingly, asymmetry was more commonplace for products with a lower elasticity of supply due to the perishable nature of products. A similar study based on TAR and M-TAR c...
The existence and the king of asymmetry that characterize the relationships between shipping-point and retail prices are investigated for two major French fresh vegetables : tomatoes and chicory. Weekly data allow considering these relationships at very detailed levels such as region or supermarket chain. Moreover, the methodology proposes an impli...
In this paper, we derive the distribution of willingness to pay for a Protected Designation of Origin (PDO)-labelled food product, French Camembert cheese, using scanner data on purchases of Camembert brands in the French national market. Mixed multinomial logit models, where the parameter associated with each observed product attribute is allowed...
This paper addresses the issue of multicrop allocation in agriculture with an application to Tunisia. Two modeling framework are combined: (1) a profit function framework which is a dual approach to modeling multioutput production, given the assumptions of input nonjointness and at least one fixed allocatable input, and (2) an endogenous switching...
Egalement paru dans : INRA-ESR Toulouse Série D ; 93-06D
In the problem of nonparametric regression for a fixed design model, we may want to use additional information about the shape of the regression function, when available, to improve the estimation. The regression function may, for example, be convex or monotone or more generally belong to a cone in some functional space. We devise a method for impr...