The Penn-Balassa-Samuelson effect is the stylized fact about the positive correlation between cross-country price level and per-capita income. This paper provides evidence that the price-income relation is actually non-linear and turns negative among low income countries. The result is robust along both cross-section and panel dimensions. Additional robustness checks show that biases in PPP est...

Over the past 15 years, there has been increasing use of linguistically annotated sentence collections, such as the Penn Treebank (PTB), for constructing statistically based parsers. While these parsers have generally been built for engineering purposes, more recently such approaches have been advanced as potentially cognitively relevant, e.g., for addressing the problem of human language acqui...