We investigate the liquidity management of firms following the inception of credit default swaps (CDS) markets on their debt, which allow hedging and speculative trading on credit risk to be carried out by creditors and other parties. We find that reference firms hold more cash after CDS trading...

Multi-task learning (MTL) aims at achieving a better model by leveraging data and knowledge from multiple tasks. However, MTL does not always work – sometimes negative transfer occurs between tasks, especially when aggregating loosely related skills, leaving it an open question when MTL works....

We consider the fleet repositioning problem for a free-floating vehicle sharing system. The objective is to decide on the vehicle distribution dynamically in the network in order to maximize the long-run average social welfare, i.e., to match the vehicle supply and travel demand at the least...