The problem of multicollinearity in the assessments of coefficients is well established. However, it is rarely researched in the estimations of macroeconomic variables and economic performance of developing countries. Predicatively, it has impacts on the estimations of coefficients that should...

Innovation is a multilevel phenomenon. Not only attributes of firms but also the framework conditions within which firms operate matter. Although this has been recognized in the literature for a long time, a quantitative test that explicitly considers this hypothesis has been lacking. Using a...

The main purpose of this paper is to analyze patterns of non-response in the social survey and to evaluate its effect on potential biases on satisfaction from life. An additional purpose is to apply the method of mixed regression, which combines the method of Ordinary Least Squares with Gini...

The purpose of this study is to estimate the effects of Real Effective Exchange Rate (REER) on Sudan trade balance (TB). The present situation is confusing for all in Sudan with discrepancies in market effective foreign currencies and government declared prices. For example, one US$ in the...

Current research argues that female politicians steer funding away from correction institutions toward other activities related to their policy preferences, such as health care, and that this diversion negatively affects the state spending on prisons. This paper shows that female politicians in...

Laws such as .08 blood alcohol content, open container, and license revocation provide a policy framework for reducing drinking and driving, yet policy effectiveness relies on their enforcement. The relationship between enforcement and drink-driving behavior is difficult to assess. Unlike...

The work of three leading figures in the early history of econometrics is used to motivate some recent developments in the theory and application of quantile regression. We stress not only the robustness advantages of this form of semiparametric statistical method, but also the opportunity to...

This paper uses annual data for the period 1970-2006 in order to estimate and investigate the evolution of the Mexican informal economy. In order to do so, we model the informal economy as a latent variable and try to explain it through relationships between possible cause and indicator...

Gender affects household spending in two areas that have been widely studied in the literature. One strand documents that greater female bargaining power within households results in a variety of shifts in household production and consumption. An important source of intrahousehold bargaining...