There is currently no consensus regarding the effect of unions on technology. We apply meta-regression analysis to the extant econometric studies and find that unions depress investment in new technology. However, this adverse effect has been declining over time and is moderated by country...

In this response to Mekasha and Tarp (2013) we show that contrary to what they state, their study validates our basic analysis. They confirm that the literature finds that aid is of little economic importance in generating growth. The results also show that the literature systematically selects...

The AEL (aid effectiveness literature) is econo¬metric studies of the macroeconomic effects of development aid. It contains about 100 papers of which 68 are reduced form estimates of the effect of aid on growth in the recipient country. The raw data show that growth is unconnected to aid, but...

One branch of the aid effectiveness literature (AEL) analyzes conditional models where aid effectiveness depends upon a conditioning variable z. The leading candidates for z are a good policy index and aid itself, so that the model has an aid squared term. In this paper, meta-analysis techniques...