VoxTalks Economics
VoxTalks Economics

S3 Ep52: The price of a vote

How well does campaign finance work, and which political parties benefit most? Julia Cagé tells Tim Phillips how the price of a vote has varied in recent British and French elections.

Featured Speakers

Tim Phillips HostJulia Caget Guest

Topics Discussed

Episode Summary

Executive Summary: The episode examines how much a vote costs in France and the UK, based on research using 1993-2017 election data. Julia Caget argues campaign spending does affect votes, but the effect varies sharply by party, with extreme-right parties getting much less electoral return per dollar/euro. The conversation also covers causal methods, turnout effects, Facebook’s role, and the case for stricter campaign-finance limits.

Main Topics: Estimating the price of a vote (Priority: 5/5): Caget explains how the study calculates the cost of winning a vote across French legislative and British general elections over more than two decades. Causal identification and data collection (Priority: 5/5): The research relies on extensive manual data collection and statistical controls, plus a French legal reform as an exogenous shock to isolate spending effects. Multi-party systems vs. US two-party assumptions (Priority: 4/5): The episode stresses that most democracies are multi-party systems, and findings from France and the UK differ from US-centric campaign-finance research. Heterogeneous returns to campaign spending (Priority: 5/5): Campaign money is less efficient for extreme-right parties such as France’s Front National and the UK’s UKIP than for mainstream parties. How money turns into votes (Priority: 4/5): The discussion weighs mobilization, persuasion, turnout, and deterrence, concluding that mobilization and turnout effects matter most. Social media and campaign finance (Priority: 3/5): Facebook and similar tools change targeting and fundraising but do not make campaigning cheaper overall; they may even increase spending. Policy implications for democracy (Priority: 5/5): Caget argues the findings support tighter limits on donations and spending to reduce the influence of wealth on electoral outcomes.

Key Arguments: Campaign spending has a causal effect on votes, not just a correlation, but the effect must be identified carefully using long-run cross-election variation and institutional changes. In France, the 1995 ban on legal-entity political contributions created an exogenous shock that helps isolate the effect of spending on electoral outcomes. The efficiency of spending is heterogeneous: mainstream parties get more votes per unit of spending than extreme-right parties. The lower efficiency of extreme-right campaigning may reflect weaker candidate quality or the fact that issue-based voters are less persuadable through spending. Campaign money appears to work mainly through mobilization and turnout, rather than persuading undecided voters. There is no evidence that higher spending deters challengers from running. Facebook and digital tools improve targeting and fundraising, but do not reduce the overall cost of campaigning; campaigns spend more, not less. Because a relatively small amount of money can influence election results, campaign finance should be more tightly regulated to protect one-person-one-vote democracy.

Data Points: Countries studied: 2 - France and the UK were analyzed to compare campaign spending effects in multi-party systems. Time period studied: 1993-2017 - All French legislative elections and British general elections in that span were included. French individual donation cap: €7,500 per year - Maximum amount an individual can give to a political party in France. French legal entities donating to parties: Not allowed after 1995 - A reform banned donations from legal entities in France. UK candidate spending limits: Stronger than France when normalized by district population - The UK imposes tighter spending limits on candidates relative to district size. Typical price of a vote in France: €10-20 - Approximate cost for mainstream parties such as the Socialist Party and the right-wing party. Typical price of a vote in the UK: Just under £10 / about 10 euros - Approximate cost for Labour and Conservative candidates. Price of a vote for UKIP: €52 at the beginning of the period; about €20 later - Spending was much less efficient for the UK extreme-right party UKIP. Price of a vote for Front National: About €30 - Extreme-right party in France had a much higher vote price than mainstream parties. Donation size on ActBlue: Less than $20 - Small donations highlighted as a growing fundraising mechanism in the US. Sentence fragment on democratic principle: One person, one vote - Used to contrast democracy with wealth-based political influence. Potential impact scale: A few hundred thousand euros - Caget argues this amount can change election results, implying spending power can translate into political weight.

Pivotal Quotes: "The title of the paper is not the price of a vote, but the heterogeneous price of a vote." — Julia Caget: She summarizes the paper’s central finding that spending efficiency differs substantially across parties. "At the end of the day, we find no evidence of such a deterrent effect." — Julia Caget: She explains that campaign spending does not appear to discourage challengers from entering races. "Democracy is about one person, one vote, and it should not be about one dollar or one euro, one vote." — Julia Caget: She makes the normative case for stricter campaign-finance regulation.

Implications: Campaign money matters, but not equally across parties. The findings support tighter spending and donation limits, especially where wealth can buy disproportionate influence. Digital tools may change tactics, not the basic economics of elections.

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