Foreign-owned manufacturing firms' shares of U.S. trade grew from almost nothing in the 1960s to 7 or 8 per cent of trade in manufactured goods by the 1980s. It has changed little in the past decade, except for fluctuations related to changing U.S. exchange rates. Foreign-owned firms are less...

Foreign-owned manufacturing firms' shares of U.S. trade grew from almost nothing in the 1960s to 7 or 8 per cent of trade in manufactured goods by the 1980s. It has changed little in the past decade, except for fluctuations related to changing U.S. exchange rates. Foreign-owned firms are less...

We present a model of portfolio allocation by noise traders who form incorrect expectations about the variance of the return distribution of a particular asset. We show that for many types of misperceptions, as long as such noise traders do not affect prices, they earn higher expected returns...