C93

Field Experiments

The effects of presentation formats in choice experiments

Although stated-preference surveys take various forms, the use of either text or visuals to represent attributes is uncontroversial, and they remain the commonly used formats. While prior research has investigated the impact of these commonly used formats in other disciplines, little is known about their effects on results in terms of relative importance in environmental economics literature. We conduct surveys on households’ preferences for water efficient technologies in South Africa, where we compare three presentation formats, namely text, visuals, and both text and visuals.

Sanctioned Quotas vs Information Provisioning for Community Wildlife Conservation in Zimbabwe: A Framed Field Experiment Approach

We investigate the behavioural responses of resource users to policy interventions like sanctioned quotas and information provisioning. We do so in a context when multiple resources (pastures and wild animal stocks) are connected and could substantially and drastically deteriorate as a result of management. We perform an experimental study among communities that are managing common pool wildlife in Zimbabwe.

Encouraging Tutorial Attendance and its Impact on Grades: A Randomised Controlled Trial

Tutorial programs offer academic support to students at the tertiary level. in a randomised trial, the effect of encouragement provision on tutorial uptake was explored on second-year economics students at the University of Cape Town. The experiment used a tutorial group-clustered randomisation design to send informative emails regarding he impact that tutorials can have on grades. This led to a substantial increase in tutorial attendance amongst treated students, particularly for males and previous high academic achievers.

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