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Working Paper
How Currency Denomination and the ATM Affect the Way We Pay
I show how currency denomination and the ATM influence consumers' choice of whether to pay cash for in-person purchases. I identify transaction values above which consumers switch from paying cash to paying with cards. The sharpest changes in the share of cash payments occur at $20 and $40, which coincide with the observation that most ATMs in the United States dispense multiples of $20 bills. Other thresholds prevail at multiples of $5 and $10. The above thresholds generate asymmetries in consumer behavior where the share of cash payments increases for payments values just below the ...
Working Paper
Defining Households That Are Underserved in Digital Payment Services
US households that lack digital means of making and receiving payments cannot participate fully in an increasingly digitized economy. Assessing the scope of this problem and addressing it requires a definition of households that are underserved in digital payments. Traditional definitions of households underserved in the banking system—those that are unbanked and those that are underbanked—do not account for the ownership of nonbank transaction accounts that can be used to make and receive digital payments. In this paper, we define households underserved in digital payments by considering ...
Working Paper
Limited Deposit Insurance Coverage and Bank Competition
Deposit insurance designs in many countries place a limit on the coverage of deposits in each bank. However, no limits are placed on the number of accounts held with different banks. Therefore, under limited deposit insurance, some consumers open accounts with different banks to achieve higher or full deposit insurance coverage. We compare three regimes of deposit insurance: No deposit insurance, unlimited deposit insurance, and limited deposit insurance. We show that limited deposit insurance weakens competition among banks and reduces total welfare relative to no or unlimited deposit ...
Working Paper
Merchant Steering of Consumer Payment Choice
This paper investigates the degree to which merchants influence consumers’ choice of how they pay for transactions. Using data from the Survey and Diary of Consumer Payments Choice, we examine consumers’ adherence to their preferred payment method when making in-person transactions. We also investigate whether merchants are able to steer consumers away from their preferred payment method. We characterize preferences for paying with cash or cards according to consumers’ income, level of education, and employment status. We find that consumers make most payments with their preferred ...
Working Paper
Payments Evolution from Paper to Electronic Payments by Merchant Type
The use of paper instruments—cash and checks—has been declining in the United States, and consumers have been gradually replacing paper with cards and electronic payments. Stavins (2021) examines the evolution of payments from paper to cards and electronic payments, while Shy (2020) shows the payments landscape across merchant types. This paper combines the cross-sectional analysis across merchants with the aggregate time series study to analyze the evolution of consumer payments by merchant type. Using data from a representative diary survey of US consumers collected annually over the ...
Journal Article
Digital Currency, Digital Payments, and the 'Last Mile' to the Unbanked
Digital forms of payment are either not accessible or highly costly for unbanked consumers. This is because these forms of payment must be "funded" by some source of money, such as cash or a bank account. That creates the "last-mile" problem for the unbanked. This article examines various solutions for the funding problem that have been proposed in the literature, by regulators, and in bills submitted to Congress.
Working Paper
Is Sales Tax Included in the Price? Consumer Inattention and Price Competition
Sales tax is generally not included in the advertised price quoted to consumers in the United States. In contrast, value added taxes (VAT) are embedded into the price in most other countries. This article investigates how the two different pricing structures and consumers' decision-making process affect the intensity of price competition. The two pricing structures yield identical market outcomes with fast-computing consumers who are willing and able to recompute the exact sales tax each time there is a price change. With slow-computing consumers, prices and profits are higher when sellers ...
Discussion Paper
Account-to-account electronic money transfers: recent developments in the United States
This paper reviews recent developments in online and mobile banking in the United States that provide bank account holders with low-cost interfaces to manage account-to-account electronic money transfers. The paper analyzes the emerging decentralized market in which A2A money transfers are becoming available in the United States and compares it with the A2A market in other countries. The paper constructs analytical examples to explain and evaluate the structure of the emerging U.S. market and discusses possible policy actions that may enhance the use of A2A money transfers in the United ...
Working Paper
Alternative Methods for Studying Consumer Payment Choice
Using machine learning techniques applied to consumer diary survey data, the author of this working paper examines methods for studying consumer payment choice. These techniques, especially when paired with regression analyses, provide useful information for understanding and predicting the payment choices consumers make.