Friction Costs and the Chain of Vacancies Problem: A Novel Vacancy Multiplier Solution

Hanly, Paul, Ortega Ortega, Marta and Sharp, Linda (2021) Friction Costs and the Chain of Vacancies Problem: A Novel Vacancy Multiplier Solution. Value in Health, 24 (4). pp. 548-555. ISSN 1098-3015

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Abstract

Objectives
A key criticism of applying the friction cost approach (FCA) to productivity cost estimation is its focus on a single friction period. A more accurate estimate of the friction cost of worker absence requires consideration of the chain of secondary vacancies arising from the opening of a new primary vacancy. Currently, empirical evidence on this is almost absent. We suggest an original approach to empirically estimate productivity costs that include a chain of secondary vacancies.

Methods
The vacancy multiplier is based on labor market flows and transition probabilities between states of employment, unemployment, and economic inactivity. It is a summed infinite geometric series using a common ratio et – the probability of an employed person filling a new job vacancy in a given year. We report vacancy multipliers for 30 European countries for 2011-2019.

Results
The average multiplier across Europe is 2.21 (standard deviation [SD] = 0.40) in 2019, meaning that every new primary vacancy created a chain of secondary vacancies that increased the primary friction cost by a factor of 2.21. The equivalent multiplier is 1.99 (SD = 0.37) between 2011 and 2019. Romania had the lowest country-specific multiplier (1.11 in 2011), and Greece the highest (4.51 in 2011).

Conclusions
Our results highlight the extent of underestimation of current FCA costs, comprise a resource for future researchers, and provide an implementable formula to compute the multiplier for other countries.

Item Type:	Article
Uncontrolled Keywords:	Europe; friction cost approach; productivity costs; societal perspective
Subjects:	H Social Sciences > H Social Sciences (General) R Medicine > R Medicine (General) H Social Sciences > Economics
Divisions:	School of Business > Staff Research and Publications
Depositing User:	Dan English
Date Deposited:	26 Nov 2020 11:37
Last Modified:	17 Sep 2021 10:03
URI:	https://norma.ncirl.ie/id/eprint/4355

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