We study the infinite-horizon model of household portfolio choice under liquidity constraints and revisit the portfolio specialization puzzle. We show why the puzzle is robust to several model variations, and argue that positive correlation between earnings shocks and stock returns is unlikely...

We broadly define liquid assets, or monetary assets, as any asset that can be readily sold in the market and can be held by a number of people in succession before maturity. We ask in what environment is the circulation of liquid assets essential for the smooth running of the economy. By...