This study assesses five approaches for imputing missing values. The evaluated methods include Singular Value Decomposition Imputation (svdPCA), Bayesian imputation (bPCA), Probabilistic imputation (pPCA), Non-Linear Iterative Partial Least squares imputation (nipalsPCA) and Local Least Square...

This appendix extends simulation and empirical results reported in Mancini and Trojani (2010). It discusses the choice of the robustness tuning constants; describes the unconditional, independence and conditional coverage tests for VaR forecast evaluation; provides additional Monte Carlo...

This paper contributes to the globalization debate by studying the overall growth effect from a total of 27 openness and indigenous factors. The 1998-2005 data covered 122 economies. The nonparametric estimation results of a two-way random effects model show that both openness and indigeneity...

In the quarterly Danish sample based wage statistics firm within a given industry are randomly selected with probabilities proportional to size. The hourly mean wage per employee is registered within each selected firm. Then the population mean per employee is estimated by the pps-estimator,...

There has been a wide debate on whether democracy actually has an effect on economic outcomes, and especially on international trade. With a new estimation strategy, we analyze this relationship taking a look at the distribution of countries' trading activity. Using a panel quantile estimation...

Confidence intervals in econometric time series regressions suffer from notorious coverage problems. This is especially true when the dependence in the data is noticeable and sample sizes are small to moderate, as is often the case in empirical studies. This paper suggests using the studentized...

A consensus among social scientists is that fertility rates in Africa are declining. What determines these declines? I present fresh evidence that shows education, especially for women, is an important determinant of the fertility transition in Africa. This finding is consistent with the...