Recent evidence suggests that the fastest algorithmic traders in financial markets profit at the expense of slower traders. One solution gaining traction is a 'speed-bump', which introduces a delay between the time in which an order is submitted, and when it is processed. We analyse the speed...

A common finding in laboratory studies is that subjects anchor on irrelevant initial cues when valuing assets. We run a field experiment to examine whether this heuristic can be exploited to manipulate prices in real markets. We provide early quotes in a series of horse race betting markets, and...

We conduct a field experiment to see if market liquidity has a causal effect on price efficiency and, if so, why. We randomly provide liquidity in certain horse race betting markets, and not in others. We find that prices in treated markets are indeed more efficient than prices in control...