I am an Economist at the Federal Reserve Board of Governors.
My research focuses on Finance and Industrial Organization. I received my PhD in Economics at the University of Texas at Austin.
View my CV: here
Email: andrew.yusik@gmail.com
Screening in Loan Guarantee Programs: Combining Contract Menus with Information Collection (Job Market Paper)
To support credit-constrained small businesses, governments use loan guarantee programs that insure lenders against default risk. However, these programs face challenges in allocating appropriate loan sizes due to limited information about borrowers. I study a screening mechanism that combines two common tools in lending—a menu of contracts and soft information collection (e.g., interviews and site visits)—to mitigate borrower information asymmetry. Firms sort themselves by risk: low-risk borrowers accept more intensive soft information collection to obtain larger loans, while higher-risk borrowers choose smaller, fully guaranteed loans to avoid such scrutiny. In effect, the level of information collection becomes part of the contract menu, encouraging risk-based self-selection and improving the agency’s ability to allocate loan sizes. Using detailed data from South Korea’s loan guarantee program, I evaluate the welfare implications of this joint mechanism. I find that offering a loan guarantee menu alone increases program welfare by 3.9%, while adding soft information raises it by 8.7%. These findings highlight the complementarity between contract menus and soft information in enabling more efficient loan allocation across credit markets.
Why the Online Shopping Trend Will Stick: Switching Costs from In-Person to Online Shopping (Draft Available Upon Request)
E-commerce has been gaining importance in the retail sector, yet the switching cost consumers incur when transitioning from traditional brick-and-mortar stores to online shopping platforms has been largely ignored. This paper investigates the magnitude of switching costs to online shopping in the context of the carbonated drinks industry in South Korea, exploiting variations in COVID-19 severity across regions and over time as a natural experiment. Employing a discrete choice model to quantify these costs, I find the switching cost from in-person to online shopping to be nearly 3.3-3.8 times the average beverage price—far surpassing the costs linked to switching brands. The pandemic has compelled consumers to absorb these high costs, suggesting that they will likely continue utilizing online shopping. Our analysis indicates that this shift towards online shopping is not a temporary adjustment but a long-term change in consumer behavior, suggesting a lasting transformation in retail dynamics and an increase in consumer welfare.
Impact of Loan Sizes on Small Businesses: Evidence from a Public Loan Guarantee Program with Hyuntae Choi and Gyeahyung Jeon
Market Diversification through Exporting, and its Impact on R&D Spillovers