Nikola Petrovic

• BSc(Belgrade), MSc(Essex), PhD (Essex)
• Professor at Pontifical Catholic University of Ecuador

This study analyzes the skills deficit in formal sector companies using information on 799 firms obtained from the Structural Business Survey (ENESEM 2018). The skills studied through a Probit model are Reading and Writing, Arithmetic and Problem Solving. The results indicate a correlation between the incidence of gaps and the asymmetry of infor-ma...

RESUMEN El modelo de negocio implica la selección de varios tipos de actividades claves que se reflejan en los estados financieros de las empresas, incidiendo en los indicadores de la gestión de capital de trabajo. El presente estudio tiene como objetivo examinar la relación entre diferentes mode-los de negocio y la gestión de capital de trabajo en...

This paper examines the cognitive and social skill requirements for middle and low-skilled workers in 3,661 Ecuadorian firms. Results from descriptive statistics and estimation of probit models indicate that half of the firms require basic reading, spelling and grammar, and arithmetic skills from the typical medium or low-skilled worker. The percen...

This paper examines changes in earnings quality, including accruals, earnings smoothing, and asymmetric loss recognition schedules, following the mandatory adoption of IFRS in Ecuador. Using 5,436 year-firm observations, we employ a differences-in-differences approach, comparing the effect of IFRS on an initial group of adopters (publicly traded co...

This paper explores the relationship between human capital, social capital (the strength of social norms and networks at the community level) and corporate tax avoidance practices. Using data for Ecuador, it finds that the proportion of accountants and occupational diversity at the canton level are negatively associated with tax avoidance, approxim...

Resumen: En este trabajo se explora la relación entre el capital humano, el capital social (fuerza de las normas sociales y redes a nivel comunitario) y las prácticas de elusión de impuestos corporativos. Utilizando datos para Ecuador, se encuentra que la proporción de contadores y la diversidad ocupacional a nivel de cantón están asociadas negativ...

In an extension to the mandatory financial reporting literature, we consider compliance and applicability as intermediate stages in the disclosure decision process, and investigate to what extent these measures explain any variance in the quantity of disclosure. We use financial instruments disclosures as our empirical context because of the level...

In an extension to the mandatory financial reporting literature, we consider compliance and applicability as intermediate stages in the disclosure decision process, and investigate to what extent these measures explain any variance in the quantity of disclosure. We use financial instruments disclosures as our empirical context because of the level...

In an extension to the mandatory financial reporting literature, we consider compliance and applicability as intermediate stages in the disclosure decision process, and investigate to what extent these measures explain any variance in the quantity of disclosure. We use financial instruments disclosures as our empirical context because of the level...

In this paper, we examine cost behavior in a large sample of Ecuadorean firms in the 2009-2013 period. We find that costs of sales are proportional to changes in sales revenue, while the elasticity is smaller for selling, and administrative expenses. We verify that selling, general and administrative expenses are more sensitive to sales increases t...

We examine the effect of changes in non-current operating assets (NCOA) and of changes in property, plant and equipment (PPE) on future abnormal stock returns using a sample of 21,549 UK non-financial firm observations over the 1990–2012 event period. The results from a matching portfolio procedure and 4-factor regressions indicate that abnormal re...

We investigate the relation between UK accounting earnings volatility and the level of future earnings using a unique sample comprising some 10,480 firm-year observations for 1,481 non-financial firms over the 1985-2003 period. The findings confirm the in-sample result of an inverse volatility-earnings relation only for the 1998-2003 sub-period and...