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Professional sports teams employ highly paid managers and coaches to train players and make tactical and strategic team decisions. A large literature analyzes the impact of manager decisions on team outcomes. Empirical analysis of manager decisions requires a quantifiable proxy variable for manager decisions. Previous research focused on manager dismissals, tenure on teams, the number of substitutions made in games or the number of healthy players on rosters held out of games for rest, generally finding small positive impacts of manager decisions on team success.

The authors quantify manager decisions by developing a novel measure of game-specific coaching decisions: the Herfindahl–Hirschman Index (HHI) of playing-time across players on a team roster over the course of a season.

Evidence from two-way fixed effects regression models explaining observed variation in National Basketball Association team winning percentage over the 1999–2000 to 2018–2019 seasons show a significant association between managers’ allocation of playing time and team success. A one standard deviation change in playing-time HHI that reflects a flattened distribution of player talent is associated with between one and two additional wins per season, holding the talent of players on the team roster constant. Heterogeneity exists in the impact across teams with different player talent.

This is one of the first papers to examine playing-time concentration in the NBA. The results are important for understanding how managerial decisions about resource allocation lead to sustained competitive advantage. Linking coaching decisions to wins can help teams to better promote this core product.

Every year volunteers play a crucial role in disaster responses around the world. Volunteer management is known to be more complex than managing a paid workforce, and this is only made worse by the uncertainty of rapidly changing conditions of crisis scenarios. The purpose of this paper is to address the critical problem of assigning tasks to volunteers and other renewable and non-renewable resources simultaneously, particularly under high-load conditions. These conditions are described by a significant mismatch between available volunteer resources and demands or by frequent changes in requirements.

Through a combination of literature reviews and interviews with managers from several major volunteer organizations, six key characteristics of crisis volunteer resource allocation problems are identified. These characteristics are then used to develop a general mixed integer programming framework for modeling these problems. Rather than relying on probabilistic resource or demand characterizations, this framework addresses the constantly changing conditions inherent to this class of problems through a dynamic resource reallocation-based approach that minimizes the undesirable impacts of changes while meeting the desired and changing objectives. The viability of this approach for solving problems of realistic size and scale is demonstrated through a large set of computational experiments.

Using a common commercial solver, optimal solutions to the allocation and reallocation problems were consistently obtained in short timespans for a wide variety of problems that have realistic sizes and characteristics.

The proposed approach has not been previously addressed in the literature and represents a computationally tractable method to allocate volunteer, renewable and non-renewable resources to tasks in highly volatile crisis scenarios without requiring probabilistic resource or demand characterizations.

The current paradigm of time in the marketing literature is one where time is linear, quantifiable and predominantly chronological in nature. This is merely one construct of one aspect of time and a construct that is largely specific to a western, industrialized society. The associated theory of time allocation assumes individuals seek to compress time‐consuming activities. Time compression and the speeding‐up of activities are a current feature of both consumer and industrial marketing. Discusses other constructs of time, drawn from the fields of sociology, psychology and anthropology. Time is two concepts, duration and succession. Time can be cyclical rather than linear and is seen as such within concepts such as the product life cycle. It can also be episodic, as in the celebration of events. Questions whether time is ever truly linear, as our perception of duration varies with the content of the activities that fill that duration. This suggests an alternative to time compression, to fill empty time so as to make duration appear faster. Discusses the limitations of current theory and concepts. Suggests a relativistic approach of describing or scoping time‐consuming activities as an alternative towards developing a more universal understanding of time allocation. Argues that progress is needed in the area to meet the needs of a society where time in general and leisure time in particular are ever more significant.

The purpose of this paper is to study how positional concerns influence a parent’s time investment decisions of her/his child.

The author presents a theoretical and empirical analysis of household positional and non-positional time investment choices in the education of her/his child.

The author shows that a parent who is mindful of her/his relative position in the income distribution will use her/his time investment choices to influence her/his perceived status. The theoretical model predicts that visible time investment increases as members of her/his reference group move up in rank. The author shows that moving down in rank lowers utility. The author employs National Education Longitudinal Studies (1988) data set to test the model prediction and shows that visible time invested in child’s education is explained by place on the income distribution.

The author extends the positional literature to account for parent time investment in her/his child’s education. The work suggests that time investment in one’s child’s education is based on more than altruistic preferences and resources. It leaves open the possibility that perceived social standing influences a household’s time investment in their child’s education. From a policy perspective, the findings provide a new way to think about drivers of parental involvement.

During the transition to parenthood, the gender division of paid and unpaid work undergoes a profound redefinition in response to both attitudes and resources. These attitudes may be concordant or discordant between two partners, they may or may not clash with perceived financial or labour market constraints, and they may or may not provoke explicit conflicts and negotiations. In this study, by combining quantitative and qualitative data, we focus on Italian couples with young children or in transition to first child, and we explore what happens when partners have discordant views. The findings show that the division of domestic and care work seems more resistant to change and more responsive to the husband’s attitudes than does the division of paid work, as the latter is mainly driven by the woman’s education and attitudes. The findings also show that very few couples overtly disagree. If they do so, the main issue in dispute is the allocation of domestic work and the main solution consists more in hiring external help than in obtaining the husband’s greater participation. Compared with domestic work, the allocation of care is a less disputed and more flexible issue: when women start negotiations on a more equal sharing, men are more willing to increase their participation. However, when a more equal sharing is not attained, couples’ narratives tend to give the “cause” to the constraints of the man (typically his work) than of the woman, while they point at a redefinition (for the best of the family) of her rather than his preferences.

The purpose of this paper is to investigate the economic impacts of intra- and inter-regional water reallocation on sectoral transformation and economic growth.

A multi-sector, Ramsey-type growth model is fit to Chinese data and used to perform policy experiments.

An intra-regional water reallocation increases per capita gross domestic product (GDP) by about 1.5 percent per year over the period 2000-2060. The aggregate potential welfare gain due to this reallocation is 1002.51 billion RMB. Transferring water from southern to northern China via the South-North Water Transfer Project, on average, has a negligible impact on per capita GDP over the period 2000-2060, but aggregate welfare increases by 557.23 billion RMB. Combining intra-regional and inter-regional water reallocations, on average, increases per capita GDP by 0.38 percent per year over the period and the aggregate welfare gain from this combination is 1148.06 billion RMB. Each policy scenario has implications for long-run regional production patterns: In an intra-regional reallocation scenario, Southern China produces almost 70 percent of aggregate GDP, in the inter-regional transfer it produces 58 percent of aggregate GDP, while in a combined intra/inter-regional reallocation it produces 55 percent of aggregate GDP.

This analysis can serve as a template for developing a useful planning tool that one can fit to national or regional data and use to examine a variety of policy relevant questions.