My research interests include agricultural and resource economics, labor economics, demographic economics, and economic history. I have focused my research on inter-generational occupation choices, farm succession, rural migration, and rural mortality in the US.

• Commodity Price Shocks and Rural Mortality (with Marc F. Bellemare and Joleen Hadrich)
  (revision requested by the Journal of Human Resources)

• Natural Disaster and Intergenerational Occupational Choice in Agriculture: Evidence from the US Dust Bowl (revision requested by the American Journal of Agricultural Economics)

• Compulsory Education and Occupational Persistence in US Agriculture

• Land, Loans, and Life Expectancy: The Effect of Wealth Transfers on Life Expectancy. (with Evan Robert, Henry Thomson, and Robert Schub)

• Agricultural Child Labor and Education: Evidence from Boll Weevil in the US South. (with T. Terry Cheung)

• The Impact of Dust Bowl Migration on Land Use Changes  (with Aparna Howlader)

• Lee, Brian, Liu, Jhih-Yun, and Chang, Hung-Hao (2020). ``The Choice of Marketing Channel and Farm Profitability: Empirical Evidence from Small Farmers." Agribusiness, (36) 3 : 402-421. 

• Liao, Pei-An, Liu, Jhih-Yun,  Sun, Lih-Chyun, Chang, Hung-Hao  (2020). ``Can the Adoption of Protected Cultivation Facilities Affect Farm Sustainability?" Sustainability, 12 (23), 9970. 

• Wang, Szu-Yung, Liu, Jhih-Yun, and Chang, Hung-Hao (2018). ``An Old Bottle with New Wine: Examining the Association between Contract Farming and Farm Income Using the Matching Frontier Approach." The Empirical Economics Letters, (17) 12 : 1507-1515.