Hosung Son

Analysis of R&D Efficiency Change in IT Sector using Cumulative Malmquist Index

2022 · International Journal of Contents

This study analyzes the changes in the efficiency of Korean R&D projects in the IT sector from 2010 to 2018. The data envelopment analysis (DEA) and Cumulative Malmquist index were used to measure the change …

How Perceived Value Drives Usage Intention of AI Digital Human Advisors in Digital Finance

2025 · Systems

This study investigates how perceived value influences user satisfaction and usage intention toward AI Digital Human Advisors in digital finance, drawing on the Stimulus–Organism–Response (S–O–R) framework. Perceived value is conceptualized as comprising functional, cognitive, and …