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Essays on the collective action dilemma of vaccination
Uppsala universitet, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Samhällsvetenskapliga fakulteten, Statsvetenskapliga institutionen.
2017 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

Vaccines famously possess positive externalities that make them susceptible to the collective action dilemma: when I get vaccinated, I protect not only myself, but also those who I might otherwise have infected. Thus, some people will have an incentive to free ride on the immunity of others. In a population of rational agents, the critical level of vaccination uptake required for herd immunity will therefore be difficult to attain in the long run, which poses difficulties for disease eradication.

In this doctoral dissertation, I explore different implications of the collective action dilemma of vaccination, and different ways of ameliorating it. First: given that coercion or force could solve the dilemma, and democracies may be less likely to engage in policies that violate the physical integrity of citizens, democracies may also be at a disadvantage compared to non-democracies when securing herd immunity. In essay I, I show that this is, empirically, indeed the case. Barring the use of extensive coercion therefore necessitates other solutions.

In essay II, I highlight the exception to individual rationality found in other-regarding motivations such as altruism. Our moral psychology has likely evolved to take other's welfare into account, but the extent of our prosocial motivations vary: a wider form of altruism that encompasses not just family or friends, but strangers, is likely to give way to a more narrow form when humans pair-bond and have children. This dynamic is shown to apply to the sentiments underlying vaccination behavior as well: appeals to the welfare of society of getting vaccinated have positive effects on vaccination propensity, but this effect disappears in people with families and children. On this demographic, appeals to the welfare of close loved ones instead appears to have large effects.

In essay III, I investigate whether the prosocial motivations underlying vaccination behavior are liable to be affected by motivation crowding - that is, whether they are crowded out when introducing economic incentives to get vaccinated. I find that on average, economic incentives do not have adverse effects, but for a small minority of highly prosocially motivated people, they might.

Ort, förlag, år, upplaga, sidor
Uppsala: Acta Universitatis Upsaliensis, 2017. , 47 s.
Serie
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Social Sciences, ISSN 1652-9030 ; 134
Nyckelord [en]
vaccines, collective action, democracy, rationality, altruism
Nationell ämneskategori
Statsvetenskap
Forskningsämne
Statskunskap
Identifikatorer
URN: urn:nbn:se:uu:diva-311020ISBN: 978-91-554-9785-9 (tryckt)OAI: oai:DiVA.org:uu-311020DiVA: diva2:1058397
Disputation
2017-03-24, Brusewitz-salen, Statsvetenskapliga institutionen, Gamla Torget 2, Uppsala, 13:15 (Engelska)
Opponent
Handledare
Tillgänglig från: 2017-01-31 Skapad: 2016-12-20 Senast uppdaterad: 2017-02-01
Delarbeten
1. Money for nothing?: Motivation crowding and economic rationality in the vaccination decision.
Öppna denna publikation i ny flik eller fönster >>Money for nothing?: Motivation crowding and economic rationality in the vaccination decision.
(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
Abstract [en]

Vaccines famously possess public goods characteristics that make them vulnerable to the collective action dilemma. Economists have posited a simple way of solving the problem -- economic incentives. However, results from studies on motivation crowding suggest that extrinsic incentives can crowd out intrinsic motivation and therefore backfire. This study investigates if vaccines are subject to motivation crowding using two sets of survey experiments. It is found that in the aggregate, introducing economic incentives has positive effects on vaccination propensity. However, for a subset of highly intrinsically motivated individuals, the effect of introducing economic incentives could be negative. Further, the distinction between pure and impure public goods seems to be driving this dynamic.

Nationell ämneskategori
Statsvetenskap
Identifikatorer
urn:nbn:se:uu:diva-311019 (URN)
Tillgänglig från: 2016-12-20 Skapad: 2016-12-20 Senast uppdaterad: 2016-12-20
2. When is blood thicker than water?: Variations of other-regard in the vaccination decision.
Öppna denna publikation i ny flik eller fönster >>When is blood thicker than water?: Variations of other-regard in the vaccination decision.
(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
Abstract [en]

Social proximity and kinship have been shown to heavily influence our tendency to altruistic behavior. Evidence about group formation, the development of prosocial motivation during adolescence as well as on both endocrinological and psychological mechanisms involved in prosociality also highlight the likely inherently parochial character of human altruism. Meanwhile, other-regarding motivations can play a central role in vaccination behavior. It is not well-understood, however, what types of other-regard are involved, and what role they play.

In this study, I use a 2x2 factor survey experiment to investigate the differing effects of narrow (family-oriented) versus wide (purely altruistic) other-regard. I find that stimulating either of these types of other-regard leads to increases in vaccination propensity. However, the effects differ markedly between types of subjects: subjects in a settled family constellation display large effects of narrow, but not wide, other-regard, whereas others display the opposite. Wide other-regard therefore appears to be crowded out by narrow when humans enter pair-bonding. To maintain sufficient vaccination uptake, this distinction should be taken into consideration when designing messages to the public.

Nationell ämneskategori
Statsvetenskap
Identifikatorer
urn:nbn:se:uu:diva-311018 (URN)
Tillgänglig från: 2016-12-20 Skapad: 2016-12-20 Senast uppdaterad: 2016-12-20
3. Democracy and vaccination uptake - a complex friendship
Öppna denna publikation i ny flik eller fönster >>Democracy and vaccination uptake - a complex friendship
(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
Abstract [en]

Democracies are generally thought to be better able to handle the provision of public goods than non-democracies. However, vaccines are a type of public good where we might expect this dynamic not to apply. Generally, a high vaccination uptake is net-profitable for the state above a certain level of national wealth, given losses of tax income to disease and health care expenditures. At the same time, democracies may be suspected to be less likely to use coercive means to achieve the goal of high uptake. This leads to the hypothesis that at least among rich countries, democracies may fare worse in terms of vaccination uptake.

In this paper, I test this proposal using a cross-country panel of WHO uptake data. I test both traditional panel models, as well as an IV-approach using regional democratization waves as an instrument for own-country democracy. With both approaches, the theoretical prediction appears to hold up: rich non-democracies do indeed achieve higher uptake than rich democracies.

Nationell ämneskategori
Statsvetenskap
Identifikatorer
urn:nbn:se:uu:diva-311017 (URN)
Tillgänglig från: 2016-12-20 Skapad: 2016-12-20 Senast uppdaterad: 2016-12-20

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