. A more important factor affecting opt-out is information — the knowledge people must acquire to make informed opt …-out decisions. But, unlike high mechanical costs, high information costs need not make defaults stickier; they may instead make the … information necessary for informed opt-out. With the ballooning use of default rules as a policy tool, our information …

We use data from a field experiment at Kiva, the online microfinance platform, to examine the role of transactions …