Financial innovation has increased diversification opportunities and lowered investment costs, but has not reduced the relative cost of active (informed) investment strategies relative to passive (less informed) strategies. What are the consequences? I study an economy with linear production...

Derivative financial instruments play a very important role in financial markets, but they are seen as rather contradictory and their impact on financial markets and the stability of these markets has not been comprehensively examined. Therefore, the aim of this article is to systematise the...