A basic assumption in the economic literature is the one of diminishing marginal returns to labour. However, theoretical studies on knowledge and labour specialization assume that an increase in the knowledge investment embodied in the human capital of workers raises the marginal product of...

This paper reviews recent developments in nonparametric identi.cation of mea- surement error models and their applications in applied microeconomics, in particular, in empirical industrial organization and labor economics. Measurement error models describe mappings from a latent distribution to...

Audits by private, third-party auditors are frequently mandated to ensure compliance with regulations (e.g., accounting or environmental standards). We examine how such mandates shape the market for audits. In our empirical examination, we focus on one of the oldest and most prominent audit...

While the majority of existing studies on the determinants of post-entry firm growth focus on the role of the founders or on the impact of firm-specific characteristics like size, age or industry affiliation, a possible impact of the characteristics of a start-up's workforce on post-entry growth...

This research presents evidence on how the impact of industry concentration and unionism affect the Portuguese wage levels. The influence of employer association is also considered. We use sector information - two-digit level disaggregation of "Classificação das Actividades Económicas" -, and...