In the run-up to the ex-dividend day a measure based on option implied dividends predicts ex-day abnormal stock returns. These expected ex-dividend day returns increase on stocks where it is less worthwhile to capture the dividend, stocks that are less liquid, stocks with high idiosyncratic...

We analyze portfolios constructed from the principal eigenvector of the equity re- turns’ correlation matrix and compare these portfolios with the capitalization weighted market portfolio. It is well known empirically that principal eigenportfolios are a good proxy for the market portfolio. We...

Ethnicity, like race, religion, and nationality, is a feature of group identity that is contested. There are literature devoted to each, and in each there are those who see the origins of identity and affiliation in ancestry and deeply rooted affect and those who see these as socially...

Some authors contend that interdependence is low or declining, others that interdependence is high or increasing. The present essay, offering new data on trade, investment, financial, and political sectors, seeks to draw a trial balance between such views and to show that: (1) some significant...

The study of regimes can contribute to our understanding of international politics only if regimes represent more than international organizations and less than all international relations. The conceptualization of regimes developed here accepts the realist image of international politics, in...