Human resource management practices

Workers can contribute to total firm production directly through their own output or indirectly through their influence on the output of co-workers. Workers with positive productivity spillover effects cause individuals around them to perform better and increase overall team production. In contrast to the “peer effects” literature, workers with positive productivity spillovers may not be the workers with the highest levels of personal output. Such productivity spillovers are important for team success even though they play only a minor role in determining worker pay.

Companies frequently hire new employees based on referrals from existing employees, who often recommend friends or family members. There are numerous possible benefits from this, such as lower turnover, possibly higher productivity, lower recruiting costs, and beneficial commonalities related to shared employee values. On the other hand, hiring through employee referrals may disadvantage under-represented minorities, entail greater firm costs in the form of higher wages, lead to undesirable commonalities, and reflect nepotism. A growing body of research explores these considerations.

Recent studies show that even irrelevant relative pay information—earnings compared to the past or to others—significantly affects workers’ willingness to work (labor supply) and effort. This effect stems mainly from those whose pay compares unfavorably; accordingly, earning less compared to others or less than in the past significantly reduces one’s willingness to work and effort exerted on the job. Comparing favorably, however, has mixed effects—with usually no effect on effort, but positive or no effects on labor supply. Understanding when relative pay increases labor supply and effort can thus help firms devise optimal payment structures.

Why do different population groups (e.g. rural vs. urban, youth vs. elderly and men vs. women) experience the same objective labor status differently? One hypothesis is that people are more concerned with relative deprivation than objective deprivation and they value their own status relative to the status of their peers—the reference group. One way to test this hypothesis in the labor market is to measure individual differences in labor status while controlling for characteristics that define population groups. This measure is called “relative labor deprivation” and can help policymakers to better understand how labor claims are generated.

Environmental regulations are typically considered to be a drag on the economy. However, improved environmental quality may actually enhance productivity by creating a healthier workforce. Evidence suggests that improvements in air quality lead to improvements in worker productivity across a range of sectors, including agriculture, manufacturing, and the service sectors. These effects also arise at levels of air quality that are below pollution thresholds in countries with the highest levels of environmental regulation. The findings suggest a new approach for understanding the consequences of environmental regulations.

To align employees’ interests with the firm’s goals, employers often use performance-based pay, but designing such a compensation plan is challenging because performance is typically multifaceted. For example, a sales employee should be incentivized to sell the company’s product, but a focus on current sales without rewarding the salespeople according to the quality of the product and/or customer service may result in fewer future sales. To solve this problem, firms often increase the number of metrics by which they evaluate their employees, but complex compensation plans may be difficult for employees to understand.

Managers are supervising more and more workers, and firms are getting flatter. However, not all firms have been keen on increasing the number of subordinates that their bosses manage (referred to as the “span of control” in human resource management), contending that there are limits to leveraging managerial ability. The diversity of firms’ organizational structure suggests that no universal rule can be applied. Identifying the factors behind the choice of firms’ internal organization is crucial and will help firms properly design their hierarchy and efficiently allocate scarce managerial resources within the organization.

Employment tribunals or labor courts are responsible for enforcing employment protection legislation and adjudicating rights-based disputes between employers and employees. Claim numbers are high and, in Great Britain, have been rising, affecting both administrative costs and economic competitiveness. Reforms have attempted to reduce the number of claims and to improve the speed and efficiency of dealing with them. Balancing employee protection against cost-effectiveness remains difficult, however. Gathering evidence on tribunals, including on claim instigation, resolution, decision making, and post-tribunal outcomes can inform policy efforts.

Charity rating agencies often focus on overhead cost ratios in evaluating charities, and donors appear to be sensitive to these measures when deciding where to donate. Yet, there appears to be a tenuous connection between this widely-used metric and a charity’s effectiveness. There is evidence that a focus on overhead costs leads charities to underinvest in important functions, especially skilled workers. To evaluate policies that regulate overhead costs, it is necessary to examine whether donors care about overhead costs, whether they are good measures of charity effectiveness, and what effects a focus on overhead costs has on charities.

Higher inequality reduces capital accumulation and increases the informal economy, which creates additional employment opportunities for low-skilled and deprived people. Despite this positive feedback, informality raises problems for public finances and biases official statistics, reducing the effectiveness of redistributive policies. Policymakers should consider the links between inequality and informality because badly designed informality-reducing policies may increase inequality. However, convincing empirical evidence is still lacking and is usually limited to correlations rather than causal effects.