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Essays in Behavioral Economics and Environmental Policy
by
Steven Eric Sexton
Adissertation submitted in partial satisfaction of the
requirements for the degree of
Doctor of Philosophy
in
Agricultural and Resource Economics
in the
Graduate Division
of the
University of California, Berkeley
Committee in charge:
Professor David Zilberman, Chair
Professor Maximilian Auffhammer
Professor Enrico Moretti
Fall 2012
Essays in Behavioral Economics and Environmental Policy
Copyright 2012
by
Steven Eric Sexton
1
Abstract
Essays in Behavioral Economics and Environmental Policy
by
Steven Eric Sexton
Doctor of Philosophy in Agricultural and Resource Economics
University of California, Berkeley
Professor David Zilberman, Chair
Social planners have long relied upon non-coercive interventions in order to achieve social
welfare improvements that are not obtained by markets or direct policy. Such policies are
perhaps nowhere more relevant and common than in environmental economics. Environ-
mental goods and services are typically not traded in markets because of the difficulties of
property rights assignment. And yet efforts to create markets or correct market failures
by coercive policy are fraught with controversy. Thus, in addition to coercive mecha-
nisms, social planners use information provision campaigns, appeals for cooperation, and
"nudges" to improve the efficiency of environmental resource allocations. Non-coercive
interventions have grown in popularity among social planners as behavioral economics
has gained acceptance within the mainstream of the field. Indeed, such policies typically
affect market outcomes and achieve environmental goals only insofar as they can exploit
or correct decision making that deviates from standard theory.
In this dissertation, agent behavior is analyzed to assess the potential of non-coercive
interventions to achieve socially preferred environmental outcomes. In a first essay, the
concept of conspicuous conservation is introduced as a modern variant of conspicuous
consumption that affords status for displays of austerity meant to signal environmental
preferences rather than displays of ostentation meant to signal wealth. I identify con-
spicuous conservation in the automobile market and estimate a willingness to pay up to
several thousand dollars for the "green" signal transmitted by ownership of the Toyota
Prius.
In a second essay, I demonstrate how automatic bill payment programs can induce ex-
cessive consumption of goods and services by boundedly rational consumers who exhibit
inattention to prices. As automatic payment programs have spread throughout indus-
tries characterized by recurring payments, from utility and telecommunication services
to insurance and loan markets, this essay is the first to consider their implications for
consumer demand and welfare. It is also the first to test empirically whether enrollment
in such programs increases demand, as price salience theory suggests. It is shown that
residential electricity consumption increases on average 2-4.5
Afinal essay examines the extent to which free transit fares and appeals for car-trip
2
avoidance reduce car pollution on smoggy days. With data on freeway traffic volumes
and transit ridership, public appeals for cooperation are shown to have no significant
effect on car trip demand. Free transit fares, however, do have a significant effect on car
trip demand. But the effect is perverse in that it generates an increase in car trips and
related pollution. Free fares also increase transit ridership. These results suggest that
free transit rides do not induce motorists to substitute to transit, but instead subsidize
regular transit rides and additional trips. Appeals for cooperation also have no affect on
carpooling behavior.
Viewed in their totality, these essays communicate the importance of behavioral theo-
ries in formulating environmental policies and predicting agents’ responses to such policies.
Policies formulated without due regard for agents’ bounded rationality and multifaceted
motivations are doomed to unintended consequeces. However, recognition of these behav-
ioral responses and their incorporation in policy design can result in improved environ-
mental outcomes and efficient policies.
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