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Updated: Jan 23, 2026

The Innovation Arena: A Method for Comparing Innovative Problem-Solving Across Groups

The Innovation Arena: A Method for Comparing Innovative Problem-Solving Across Groups

Published on: May 13, 2022

Parallel imports, price controls, and innovation.

Markus Reisinger¹, Lluís Saurí², Hans Zenger²

¹Frankfurt School of Finance & Management, Economics Department, Adickesallee 32-34, 60322 Frankfurt am Main, Germany.

Journal of Health Economics

|June 16, 2019

Summary

This summary is machine-generated.

Parallel trade impacts innovation differently based on country demand. It boosts innovation in similar markets but hinders it in heterogeneous ones, affecting welfare and patent length.

Keywords:

Parallel imports Patent length Pharmaceutical innovation Price regulation Research & Development

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Area of Science:

Economics
Intellectual Property Law
Antitrust Policy

Background:

Parallel trade's effect on innovation in R&D-intensive sectors like pharmaceuticals is a key policy debate.
Traditional views suggest parallel trade reduces innovation by limiting price discrimination.
Recent literature proposes parallel trade may enhance innovation under endogenous price controls.

Purpose of the Study:

To analyze how the homogeneity of trading countries influences the relationship between parallel trade and innovation.
To investigate the welfare implications of parallel trade under varying degrees of market heterogeneity.
To examine the impact of parallel trade on patent length and price cap regulations.

Main Methods:

Theoretical modeling of parallel trade in R&D-intensive industries.
Analysis of endogenous price controls and their interaction with parallel trade.
Comparative analysis of homogeneous versus heterogeneous trading country scenarios.

Main Results:

Parallel trade stimulates innovation only when trading countries have similar consumer demand for medications.
In heterogeneous markets, parallel trade dampens innovation and reduces overall welfare.
Exporting price cap regulations from poorer to richer countries occurs in heterogeneous markets.
Endogenous patent length leads richer countries to favor longer protection with parallel trade.

Conclusions:

The impact of parallel trade on innovation is contingent on the economic homogeneity of trading partners.
Policy interventions regarding parallel trade must consider market heterogeneity to optimize innovation and welfare outcomes.
Heterogeneity can lead to unintended consequences, such as the exportation of lower price caps, impacting global R&D incentives.