In-Depth Notes on External Scale Economies Lecture by Ari Van Assche

External Scale Economies

  • A concept in economics that highlights how firms experience benefits as their size increases, impacting competitive advantage at an industry level.

Instructor: Ari Van Assche

  • Academic Background:
    • B.A. and M.A. in Sinology from KU Leuven
    • Ph.D. in Economics from the University of Hawaii at Manoa
    • Post-doc in Economics at the University of California Davis
    • Full Professor of International Business at HEC Montréal
  • Professional Roles:
    • Visiting Professor at University of Reading and University of Leeds
    • Editor-in-Chief of the Journal of International Business Policy
    • Co-director at the International Institute for Economic Diplomacy at HEC Montréal
    • Director of East Asian and Indo-Pacific Studies at CERIUM
    • Research Fellow at CIRANO and CD Howe

Course Structure

  • Introduction to world trade and theory:
    • Introduction to course: 10/01
    • Overview of world trade: 17/01
    • Ricardian Model: 24/01
    • Specific Factors: 31/01
    • Heckscher-Ohlin Model: 07/02
    • Standard Trade Model: 14/02
    • Progressing through various trade theories, concluding with case studies:
    • Dates highlighted for discussions on export and import data trends, specifically focusing on Canada’s trade dynamics with the Indo-Pacific region.

Importance of Trade

  • Trade is good for growth:
    • Strong correlation between real GDP change and export growth from 1945-2014.
    • Countries like South Korea and China exhibit high rates of export growth corresponding to GDP per capita growth.
  • Average annual changes presented visually highlight contrasts among nations such as Haiti, Liberia, and advanced nations like Japan and the U.S.

Heckscher-Ohlin Model

  • Defines trade based on factor endowments:
    • Labor-abundant countries export labor-intensive goods, while capital-abundant countries export capital-intensive goods.
    • This model explains inter-industry trade's foundation and helps understand price shifts post-trade.

Trade Models Matrix

  • Differentiates between inter-industry trade (different countries) and intra-industry trade (similar countries) supporting various trade theories.

Agglomeration Economies

  • Geographic concentration reduces costs associated with sharing, matching, and learning:
    • Includes input-output dynamics, labor pooling, and knowledge spillovers enhancing innovation.
  • Specific note on notable clusters such as:
    • Silicon Valley (technology)
    • Hollywood (entertainment)
    • Various manufacturing clusters in China and their associated products.

Implications of External Economies

  • International trade can enhance productivity without a comparative advantage.
  • The growth of industries with external economies decreases costs, benefiting global markets. Examples include:
    • Manufacturing clusters within China that capitalize on local advantages and skilled labor pools, reflecting the economic theory.

Protectionism & Latecomers

  • The idea that protectionist policies can help newer industries develop, albeit this is complicated:
    • Highlights the Infant Industry Argument, suggesting temporary protectionism may help gauge the existence of external economies.
  • Discusses the potential pitfalls, such as when external economies favor an initial major player, making it difficult for latecomers to compete effectively.

Summary of External Economies' Effect on Trade and Welfare

  • Trade does not solely rely on comparative advantage— it can be influenced significantly by economies of scale.
    • Historical contexts and initial market size can determine long-term production advantages.
  • Conclusion recognizing a nuanced view of trade welfare, where countries may lose from trading dependencies based on external economies, especially if high costs rise in leading markets.

Homework Assignment

  • Create a video summarizing a recent news event through the lens of the trade models studied in class. Educators can choose to present this in either English or French.

Upcoming Content

  • Next week’s reading: Krugman, Melitz & Obstfeld, Chapter 8 on further global economic theories.