Researchers evaluated the impact of a reform to the pollution audit system in India, making auditors more independent, on the truthfulness of their reporting and the behavior of the firms they audited. Increasing their independence made them more likely to report the truth about industrial plants’ pollution levels.

In India, researchers evaluated the impact of the first emissions trading scheme for particulate matter on air quality, industry compliance costs, and industry profits. Compliance with the market was high, and participating firms substantially reduced their particulate matter emissions without large increases in abatement costs, suggesting that the emissions trading scheme was a cost-effective pollution reduction strategy

Researchers examined the informational, behavioral, and monetary drivers behind takeup of residential energy efficiency audits and subsequent investments in Wisconsin. While receipt of promotional letters and subsidies did induce higher rates of audit participation, overall takeup and investment in energy efficient home solutions remained low and realized energy savings fell short of predicted models.

Researchers conducted a randomized evaluation to measure the impact of offering subsidies to connect to the power grid on the demand for rural electrification in Kenya. The study finds that demand falls rapidly as connection price increases, and that supply costs are very high.

A researcher partnered with the Alliance for Bangladesh Worker Safety, a consortium formed by US multinational companies, to evaluate the impact of privately enforcing local labor laws on garment factories in Bangladesh. Enforcing the legally-required creation and operation of workplace safety committees increased factories’ compliance with the labor law and some measures of factory safety, without reducing factory efficiency. These effects persisted in the long run and were stronger among factories with good managerial practices.

Working with the Ministry of Health and Sanitation in Sierra Leone, researchers evaluated the impact of incentivizing community health workers (CHWs), their supervisors, or both on health care provision. Sharing the incentive between CHWs and their supervisors resulted in more health care visits than providing the incentive just to one group or the other; only the shared incentive improved overall health care provision and outcomes.

Researchers evaluated the impact of a business training intervention, alone and combined with a cash grant, on the income and other business outcomes for self-employed women in Sri Lanka. Researchers found that business training alone was not sufficient to generate business growth, but when combined with a US$129 cash grant, the business training program appeared to boost profits in the short-term.

Researchers randomly provided more or less cash to garment-making firm owners in Ghana before a bargaining game to evaluate the impact of endowment on the negotiated sale price of a good. Owners of garment-making microenterprises with lower household liquidity agreed to lower sale prices during the bargaining process, suggesting that the prior wealth of microentrepreneurs who participate in bargaining may impact how much they are able to earn.

To study the employment limitation of microenterprises, researchers offered microentrepreneurs capital to incentivize them to hire workers. Results showed that a wage subsidy did not lead to lasting increases in employment sales or profits.

Researchers conducted a randomized evaluation to test the impact of two different types of business training—formal business classes and mentorship from a successful entrepreneur in the same industry—on female entrepreneurs’ profits and use of new business practices in Kenya. They found that inexperienced female microenterprise owners benefited from mentorship, leading to increased short-term profits, though these effects faded after mentorship ended. Meanwhile, despite observing changes in business practices, they found that the traditional classroom training had no effect on profits.

Researchers compared the effects of face-to-face and virtual peer interaction on the submission and quality of business proposals by individuals from 49 African countries enrolled in an online entrepreneurship course. They found that face-to-face networks and the virtual interaction of groups of entrepreneurs of the same nationality increased the submission of business proposals to a funding competition, but that virtual interaction had no effect when groups were formed with entrepreneurs of different nationalities. Virtual interaction among entrepreneurs of the same nationality was also found to increase the quality of submitted business proposals.

Researchers conducted a randomized evaluation to test the impact of increased access to transportation and assistance with interview scheduling on women’s employment.

Researchers evaluated the impact of exposure to and incentives to consume discordant media on political attitudes and behaviors in Turkey. Participants changed their media consumption habits, trusted discordant media sources more, and had less polarized attitudes towards the government, but did not change how much they trusted people with opposing political views.

In this randomized evaluation in Zimbabwe, researchers studied how social media messages targeting misinformation can affect people’s beliefs about and responses toward Covid-19. The study found that these messages increased participants’ knowledge of Covid-19 information by 7 percentage points and reduced potentially harmful behavior, or noncompliance with lockdown guidelines, by 30 percentage points.

Researchers conducted a randomized evaluation to test the impact of providing subsidies for a soil monitoring technology on the electricity used to pump groundwater to agricultural fields in rural Bangladesh. They found that the technology reduced the amount of electricity used for irrigation, but only when subsidies were directed to the groundwater providers, giving them an incentive to save on energy costs without affecting farmers’ crop yields.