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Gaming the Threshold: Size-Dependent Tax Policy and Domestic Profit Shifting
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Gaming the Threshold: Size-Dependent Tax Policy and Domestic Profit Shifting
สมรภูมิสงครามการค้า 2.0: ข้อเท็จจริงเกี่ยวกับแหล่งทดแทนสินค้าส่งออกไทยในตลาดสหรัฐฯ
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สมรภูมิสงครามการค้า 2.0: ข้อเท็จจริงเกี่ยวกับแหล่งทดแทนสินค้าส่งออกไทยในตลาดสหรัฐฯ
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Agentic AI for Economic Research
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Predicting Financial Market Stress with Machine Learning
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Predicting Financial Market Stress with Machine Learning
สถาบันวิจัยเศรษฐกิจป๋วย อึ๊งภากรณ์
Puey Ungphakorn
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PIER’s Targeted Research Grant 2026 – Call for Proposal
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Wongkot Similan Rujiwattanapong
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Wongkot Similan Rujiwattanapong

Waseda University
Email sruji@waseda.jp

Similan holds a PhD in Economics from University College London and an MSc in Economics (Research) from the London School of Economics and Political Science.

He is currently an Associate Professor (tenured) at the Faculty of Political Science and Economics, Waseda University, Japan, and a Research Associate at the Centre for Macroeconomics (CfM). Prior to his current position, he was an Assistant Professor at the Department of Economics, Aarhus University, Denmark.

His research fields are macroeconomics, search and matching, and labour economics. His work focuses on labour market dynamics, labour market policies, and business cycle fluctuations. His research has been published in journals such as the European Economic Review and the Review of Economic Dynamics.

Research Interests

  • Macroeconomics
  • Labor and Demographic Economics

Discussion Paper

10 October 2025
Job Search, Job Finding and the Role of Unemployment Insurance History

aBRIDGEd

11 December 2025
ทำไมคนที่ขยันหางานมากกว่ากลับได้งานช้ากว่า: บทเรียนจากระบบประกันการว่างงานของสหรัฐฯ

Puey Ungphakorn Institute for Economic Research

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Phone: 0-2283-6066

Email: pier@bot.or.th

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