Overconfidence and overextrapolation are two behavioral biases that are pervasive in human thinking. A long line of research documents that such biases influence business decisions by distorting managers' expected productivity. We propose a new mechanism in which the biases change firms'...

This paper analyzes financial intermediation chains in a search model with an endogenous intermediary sector. We show that the chain length and price dispersion among interdealer trades are decreasing in search cost, search speed, and market size but increasing in investors' trading needs. Using...