Kovbasyuk, Sergei; Pagano, Marco - Istituto Einaudi per l'Economia e la Finanza (EIEF) - 2014
Speculators often advertise arbitrage opportunities in order to persuade other investors and thus accelerate the correction of mispricing. This induces under-diversification: a risk-averse arbitrageur will optimally advertise only one of several mispriced assets, and overweigh it in his...