This paper estimates the costs of participating to the stock market, together with the cross sectional dispersion of stock market optimism. Our analysis is based on a mean-variance framework, when there is a riskless asset (cash), which makes the allocation of the investment in risky assets...

Using Italian household data we jointly estimate the yearly cost of participating to the stock market and the cross sectional distribution of optimism about excess returns of stocks over bonds. Using mean-variance analysis we derive individual efficient portfolio allocation rules, as functions...

We use household data to estimate the cost of participating to financial markets and the cross sectional dispersion of stock market optimism. Our analysis is based on a mean-variance framework, within which we derive structural decision rules for individual composition of the risky assets...