They are also heavily involved in the invention of new financial products, such as mortgage-backed securities in the 1980s, credit default swaps in the 1990s, mortgage-backed securities (MBS) and collateralized debt obligations (CDO) in the 2000s and today, carbon emission trading and insurance-linked products.
? 记 住 , 你 我 有 不同 的 分工LASER-wikipedia2 LASER-wikipedia2