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Related Experiment Videos

Can knowledge reclassification accelerate technological innovation?

Peter Persoon^1,2

¹Oxford Martin School, University of Oxford, Oxford, United Kingdom.

|May 18, 2026

Summary

Technological reclassification, the change in how knowledge is categorized, is linked to the speed of technological advancement. This study shows how reclassifying existing knowledge drives innovation and shapes growth patterns.

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Area of Science:

Innovation and Technology Management
Knowledge Management
Economic History

Background:

Technological knowledge advances through new ideas and reinterpreting existing ones.
Reinterpretation of knowledge leads to its reclassification, altering knowledge structures.
Understanding reclassification is key to understanding technological change dynamics.

Purpose of the Study:

To investigate the empirical and analytical relationship between knowledge reclassification and the rate of technological change.
To develop a model explaining how reclassification influences technological growth.
To provide a knowledge-intrinsic explanation for observed growth patterns.

Main Methods:

Utilized patent data as a proxy for technological knowledge.
Identified two empirical patterns: recency of reclassification and size of technological classes.
Formulated and solved an analytical model of knowledge accumulation.

Main Results:

More recent patents are more frequently reclassified.
Larger technological classes receive a proportionally higher number of reclassified patents.
The analytical model precisely describes the link between reclassification and growth rates.

Conclusions:

Reclassification is strongly linked to the pace of technological advancement across domains.
The developed model enhances understanding of the magnitude and shape of technological growth.
Connects diverse knowledge quantities, supporting intrinsic explanations for growth patterns.