Economic theory suggests that sometimes the enforcement of insider trading laws may be more important than the existence of these laws. Is that true? I find that at the end of 2022: (1) Insider trading laws exist in most countries; they are not enforced in many countries; (2) firms in countries...

Weld, Michaely, Thaler, and Benartzi (2009) find that the average nominal U.S. stock price has been approximately $25 since the Great Depression. They report that this “nominal price fixation is primarily a U.S. or North American phenomenon.” Using a larger data set from 38 countries, we...

We first develop a theory-based metric to judge the popularity of value-weighting in a stock market. We then use our metric to document that although value-weighting is less popular in emerging markets than in developed markets, its popularity is increasing almost everywhere. Finally, as we have...

Weld, Michaely, Thaler, and Benartzi (2009) find that the average nominal U.S. stock price has been approximately $25 since the Great Depression. They report that this “nominal price fixation is primarily a U.S. or North American phenomenon.” Using a larger data set from 38 countries, we...