The CME vulnerability : the best practice and the impact of negative oil futures trading price -- Why oil prices plunged and settled negative -- Meet the challenge with negative price and management in practice.

We examine the effect of contract-based incentives on the performance of NBA players using data from the 2004-05 to 2014-15 seasons. We find support for a contract year effect, meaning that players in the last season of their current contract improve their performance in order to secure better...