Four years ago "Research in Experimental Economics" published experimental evidence on fundraising and charitable contributions. This volume returns to the intrigue with philanthropy. Employing a mixture of laboratory and field experiments as well as theoretical research we present this new volume, "Charity with Choice." New waves of experiments are taking advantage of well calibrated environments established by past efforts to add new features to experiments such as endogeneity and self-selection. Adventurous new research programs are popping up and some of them are captured here in this volume. Among the major themes in which the tools of choice, endogeneity, and self-selection are employed are: What increases or decreases charitable activity? and How do organizational and managerial issues affect the performance of non-profit organizations?

Culture has been referred to as a shared frame, the lens through which group members make sense of the world. It has been robustly linked to economic outcomes on the macro level and is also directly linked to decision-making: in recent years, experimental and behavioral economists have found evidence that culture impacts behavior in games and impacts value orientation, trust, fairness, cooperation and enforcement. Culture research in experimental economics is still in its early stages and part of the challenge is methodological and conceptual: how to measure culture and how to define the level at which individuals share a culture. In the coming years, this research will help delineate where the results from our current experiments apply. For example, do current results speak specifically to WEIRD (Western Educated Industrialized Rich Democracies) societies? Do they say something more fundamental about human nature across time, experience, and geography? With increasing migration and globalization, subject pools may become more culturally diverse and cultural questions therefore increasingly important for experimentalists. The contributions in this volume are both conceptual and experimental. The earlier chapters discuss new approaches to the measurement of culture and how to conceptualize and define values and beliefs and the groups that share them. The latter experimental chapters contribute to the growing body of literature that documents cultural differences in social and economic behavior.

Research in Experimental Economics focuses on laboratory experimental economics, but welcomes work from authors of theoretical, empirical, or field economic research if it would be of interest to the broader experimental economics community. The goal of Research in Experimental Economics is to be complementary with, and not in competition with, traditional journals as outlets for experimental work. Research in Experimental Economics has the freedom to consider papers that may not be appropriate for traditional journals for a variety of reasons. Some examples of these strengths include: theme volumes, replication studies, research which requires longer manuscripts for presentation of data or analysis, and papers on methodological topics. The volumes of Research in Experimental Economics are not tied to specific, recurring conferences. Typically, a volume theme is established with scholars who are willing to serve as volume-specific editors. The only constraint the senior editor places on the volume editors is that the papers should undergo a formal referee process using the same quality standards as traditional journals. Recent topics have included market power, charitable contributions, and field experiments.

This volume provides a comprehensive review of the empirical evidence on corruption generated by recent laboratory and field experiments conducted by economists and political scientists. The first part of the volume reviews the evidence produced by laboratory experiments in relation to gender and cultural differences in corruption decision-making, as well as the effectiveness of different anti-corruption policies. This part concludes with an assessment of the external validity of corruption investigations relying on laboratory experiments. The second part of the volume reviews recent contributions to corruption research made through the use of field experiments. Special attention is given to advances in measuring corruption in the field, investigations of clientelism and vote-buying, and the role that information can play in the fight against corruption. A critical assessment of the effectiveness of top-down and bottom-up anti-corruption interventions completes this section. The volume concludes with important reflections on the role that behavioral and experimental economics can play in anti-corruption research and practice.

This volume will present experimental economics research focusing on issues of environmental quality and sustainability. Specific topics will include institutions for cap-and-trade, eco-tourism, urban sprawl, and optimal pollution control strategies. In addition to the traditional 'introduction', we are asking an expert on engineering issues in energy, the environment, and sustainability to write an essay highlighting the benefits to scientists and engineers of understanding human behaviour.