• Publications
  • Influence
Redefine statistical significance
We propose to change the default P-value threshold for statistical significance from 0.05 to 0.005 for claims of new discoveries.
  • 1,114
  • 108
  • PDF
What's Advertising Content Worth? Evidence from a Consumer Credit Marketing Field Experiment
This brief summarizes what's advertising content worth? Evidence from a consumer credit marketing field experiment in South Africa. The bank offered loans with repayment periods ranging from 4 to 18Expand
  • 549
  • 58
  • PDF
Six Randomized Evaluations of Microcredit: Introduction and Further Steps †
Causal evidence on microcredit impacts informs theory, practice, and debates about its effectiveness as a development tool. The six randomized evaluations in this volume use a variety of sampling,Expand
  • 469
  • 54
  • PDF
Expanding Credit Access: Using Randomized Supply Decisions to Estimate the Impacts
Expanding access to commercial credit is a key ingredient of financial development strategies. There is less consensus on whether expanding access to consumer credit helps borrowers, particularlyExpand
  • 733
  • 37
  • PDF
The poor can and do save, but often use formal or informal instruments that have high risk, high cost, and limited functionality. This could lead to undersaving compared to a world without market orExpand
  • 349
  • 36
  • PDF
Microcredit Impacts: Evidence from a Randomized Microcredit Program Placement Experiment by Compartamos Banco
Theory and evidence have raised concerns that microcredit does more harm than good, particularly when offered at high interest rates. We use a clustered randomized trial, and household surveys ofExpand
  • 281
  • 35
  • PDF
Credit Elasticities in Less-Developed Economies: Implications for Microfinance
Policymakers often prescribe that microfinance institutions increase interest rates to eliminate their reliance on subsidies. This strategy makes sense if the poor are rate insensitive: thenExpand
  • 268
  • 27
  • PDF
Expanding Microenterprise Credit Access: Using Randomized Supply Decisions to Estimate the Impacts in Manila
Microcredit seeks to promote business growth and improve well-being by expanding access to credit. We use a field experiment and follow-up survey to measure impacts of a credit expansion forExpand
  • 315
  • 26
  • PDF
Exponential Growth Bias and Household Finance
Exponential growth bias is the pervasive tendency to linearize exponential functions when assessing them intuitively. We show that exponential growth bias can explain two stylized facts in householdExpand
  • 563
  • 25
  • PDF
Microcredit in Theory and Practice: Using Randomized Credit Scoring for Impact Evaluation
A randomized controlled trial reveals both expected and surprising effects of microcredit. Microcredit institutions spend billions of dollars fighting poverty by making small loans primarily toExpand
  • 335
  • 24
  • PDF