Occupational Polarization: Entry, Skills, and Place

Overview

Occupational polarization is not only a story of routine jobs disappearing. The series shows how a shrinking routine share can reflect altered entry and re-entry, stable incumbent upgrading, or other flows; in French salaried-employment data, the post-1994 change is associated mainly with a weakened non-employment-to-routine pipeline, especially in routine-cognitive work. It then asks who can use remaining ladders and whether destinations have the required skills, local vacancies, and feasible conditions. The evidence supports a bounded framework rather than a universal causal law: skill proximity identifies plausible routes, but does not certify competence, hiring, job quality, or access.

Learning outcomes

In the French evidence, post-1994 routine decline is associated mainly with a weakened entry and re-entry pipeline, not a new surge in routine-to-abstract upgrading.
A shrinking routine share can combine stable incumbent upgrading with fewer people entering routine, so stocks alone cannot identify displacement.
Education, tenure, and gender are associated with different transition probabilities, but the estimates do not prove policy effects.
A plausible destination requires relevant skills, reachable local vacancies, and fit with credentials and household constraints; green work is not the only route.

Keywords

Occupational polarizationEmployment flowsRoutine workJob mobilitySkillsVacanciesGreen transitionGeographyRe-entry

Chapters

Routine Work Shrinkage and Worker Flows

Separate the stock chart from the flows beneath it

8 min · Separate the stock chart from the flows beneath it

8 min

French Occupational Polarization: Stock–Flow Accounting

How direct moves, entry, and exit change the routine share

10 min · How direct moves, entry, and exit change the routine share

10 min

France's Routine Entry Pipeline After 1994

Entry changed more than upgrading or exit

11 min · Entry changed more than upgrading or exit

11 min

French Polarization Evidence: Mechanism and Limits

What the flow result establishes—and what remains open

8 min · What the flow result establishes—and what remains open

8 min

Who Can Use France's Occupational Ladder?

How education, tenure, and gender shape transition probabilities

9 min · How education, tenure, and gender shape transition probabilities

9 min

Green Transition: Local Labour-Market Options

Why national job counts do not guarantee local access

11 min · Why national job counts do not guarantee local access

11 min

OECD Occupational Proximity for Job Transitions

Why overlap is a lead, not a hiring guarantee

10 min · Why overlap is a lead, not a hiring guarantee

10 min

Pipeline-and-Place Diagnosis for Structural Change

Match the response to the bottleneck, not the headline

11 min · Match the response to the bottleneck, not the headline

11 min

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FAQ

What caused occupational polarization in France after 1994?

In the French study, the post-1994 routine decline is associated primarily with a collapse in entry from non-employment, especially into routine-cognitive work, not with a new acceleration of routine-to-abstract upgrading. ICT-price timing is plausible, but causality is not identified and low-wage contribution relief was concurrent.

Does a shrinking routine workforce mean routine workers were pushed into manual jobs?

No. The French flow accounting does not support routine-to-manual downgrading as the dominant aggregate explanation; manual growth is largely linked to positive entry from non-employment, although individual downgrades can occur.

Can skills similarity guarantee a transition into a green job?

No. Occupational proximity identifies a plausible destination from job-posting skills, but it does not certify competence, credentials, local vacancies, hiring, or job quality.

Why do local vacancies matter for occupational transitions?

Local vacancies determine whether a skill-related destination is actually available to a worker; national opportunity can disappear at regional level because relocation is limited and costly.