Panel data are a result of repeating observations of a group of units, e.g. households, firms, but also whole economies with some common characteristics as EU15, transition economies a . s. o. So, more details are available enabling to analyze a changing economic structure and its reasoning....

The paper relies on a rich firm-level data set on transition economies to examine the role of informality as an important channel through which regulatory and other policy constraints affect firm growth. We find that firms reduce their formal operations with a higher tax and regulatory burden,...

This paper examines effects of reference pricing for prescription drugs in German social health insurance based on econometric panel data methods. We analyze the effect on ex-factory prices. Moreover, we investigate whether manufacturers adapt prices of their products not subject to reference...

This paper examines effects of reference pricing for prescription drugs in German social health insurance based on econometric panel data methods. We analyze the effect on ex-factory prices. Moreover, we investigate whether manufacturers adapt prices of their products not subject to reference...

This paper uses a ten-year panel of firm-level data (1994–2005) to evaluate different type of enterprise support programs in Mexico. The applied methodology is a fixed effect model that addresses selectivity bias from observed and unobserved firm heterogeneity. The analysis finds evidence that...