One approach that antitrust enforcement authorities use to address potentially anticompetitive mergers is to seek divestitures in specific, competitively problematic overlap markets while allowing the rest of the merger to consummate. We evaluate the efficacy of this approach by studying...

Using a randomized controlled trial in a nationally representative sample of 65 public high schools (N = 13,660), we tested the effects of a growth mindset intervention on math coursetaking patterns and student achievement and explored whether school context was related to the success of the...

Evidence suggests that rational, periodically collapsing speculative bubbles may be pervasive in stock markets globally, but there is no research that considers them at the individual stock level. In this study we develop and test an empirical asset pricing model that allows for speculative...

Securitized real estate prices have historically shown tendencies to rise substantially and then fall quickly, which is the case with the prices of many other traded assets. These episodes of price rallies and crashes may constitute the presence of positive or negative speculative bubbles in the...

The price-earnings effect has been a challenge to the idea of efficient markets for many years. The P/E used has always been the ratio of the current price to the previous year’s earnings. However, the P/E is partly determined by outside influences, such as the year in which it was measured,...

The price-earnings effect has been a challenge to the idea of efficient markets for many years. The P/E used has always been the ratio of the current price to the previous year’s earnings. However, the P/E is partly determined by outside influences, such as the year in which it was measured,...

The price-earnings effect has been thoroughly documented and widely studied around the world. However, it has always been calculated on the basis of the previous year’s earnings. We show that the power of the effect has until now been seriously underestimated, due to taking too short-term a...