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Most children in the United States will spend at least part of their childhood living apart from one of their parents; the child support system is designed to ensure that they nonetheless receive financial support. While the system is largely effective when noncustodial parents have substantial regular earnings, many noncustodial parents, including a disproportionate share of those whose children live in poverty, have limited earnings and ability to pay child support. The system's response to nonpayment is primarily "sticks," that is, threats and punishments. Nonexperimental evaluations of alternative approaches have shown promise. The National Child Support Noncustodial Parent Employment Demonstration (CSPED), a large-scale random-assignment evaluation enrolling more than 10,000 noncustodial parents across 18 locations in eight states, was designed to test the effectiveness of an alternative approach--adjusting child support orders, reducing punitive enforcement, and offering employment and parenting services. We find that CSPED, using carrots in place of sticks, substantially increased the satisfaction of noncustodial parents with child support services, lowered the amount of support owed, and increased noncustodial parents' sense of responsibility for their children. However, CSPED had limited to no effects on child support compliance, child support payments, or employment outcomes.

Research on fathering has substantially increased but we still know relatively little about whether and how fathers' own perspectives on their parenting differ across a variety of family situations. We estimate associations between nonresident fathers' family types and nonresident fathers' perceptions of the quality of their parenting and their relationships with their children, using data from the Child Support Noncustodial Parent Employment Demonstration program on lower-income nonresident fathers (n = 5,835) and logistic regressions. High-quality parenting is more likely to be reported by nonresident fathers with multiple-partner fertility and both resident and nonresident children than either those with multiple-partner fertility and only nonresident children or those with single-partner fertility. High-quality relationships with children are more likely to be reported by those with single-partner fertility than those with multiple-partner fertility. These findings suggest the importance of resident children in fathers' perceptions of their parenting and highlight the difficulties of parenting across multiple households. [ABSTRACT FROM AUTHOR]

Objective and Background: Previous research shows the benefits of formal child support to children during their childhood; however, the long‐term effect of child support receipt on outcomes as adults has not been studied. This inquiry examines whether adults who received formal child support as children have different labor market outcomes than those who did not. Method: We conducted two sets of analyses with complementary strengths to examine young adults' earnings and employment status. Our primary method exploited experimental variation in child support receipt among welfare participants, as part of the Wisconsin Child Support Demonstration Evaluation; the secondary analyses used propensity score matching to construct statistically equivalent comparison groups drawn from a broader population included in Wisconsin Court Record Data. Results: Across both studies, we found the receipt of child support was associated with a substantive and statistically significant increase in adult earnings; results for employment status were mixed. Conclusion: Findings suggest that formal child support may disrupt patterns of intergenerational disadvantage, reducing the economic vulnerability of children living with resident mothers, and then improving those children's earnings as adults. In addition to contributing to our understanding of the relationship between childhood economic status and adult outcomes, the findings provide critical new information to policymakers assessing family policy. [ABSTRACT FROM AUTHOR]

Second-generation or lignocellulosic biofuels are a tangible source of renewable energy, which is critical to combat climate change by reducing the carbon footprint. Filamentous fungi secrete cellulose-degrading enzymes called cellulases, which are used for production of lignocellulosic biofuels. However, inefficient production of cellulases is a major obstacle for industrial-scale production of second-generation biofuels. We used computational simulations to design and implement synthetic positive feedback loops to increase gene expression of a key transcription factor, CLR-2, that activates a large number of cellulases in a filamentous fungus, Neurospora crassa. Overexpression of CLR-2 reveals previously unappreciated roles of CLR-2 in lignocellulosic gene network, which enabled simultaneous induction of approximately 50% of 78 lignocellulosic degradation-related genes in our engineered Neurospora strains. This engineering results in dramatically increased cellulase activity due to cooperative orchestration of multiple enzymes involved in the cellulose degradation pathway. Our work provides a proof of principle in utilizing mathematical modeling and synthetic biology to improve the efficiency of cellulase synthesis for second-generation biofuel production.

Increasingly, parents in separated families equally share care of their children post-separation. In this article we extend a well-known family policy model to generate hypotheses about the level of child support to be paid by separated parents when children live primarily with their mother ('sole custody') in contrast to when children spend equal time with both parents ('shared care'). We test these hypotheses with data collected from thirteen countries. In sole custody cases, countries with an earner-carer policy model do have lower child support expectations than countries with a traditional family policy model or a market-oriented model, as predicted. Countries with a traditional family policy model do have the highest orders in the shared case, as predicted. However, there is as much variation within models as there is between, suggesting new analytic frameworks for considering child support in family policy need to be developed. [ABSTRACT FROM AUTHOR]

In most developed countries, children in lone parent families face a high risk of poverty. A partial solution commonly sought in English-speaking nations is to increase the amounts of private child maintenance paid by the other parent. However, where lone parent families are in receipt of social assistance benefits, some countries hold back a portion of the child maintenance to reduce public expenditures. This partial ‘pass-through’ treats child maintenance as a substitute for cash benefits which conceivably neutralises its poverty reduction potential. Such neutralising effects are not well understood and can be obscured further when more subtle interactions between child maintenance systems and social security systems operate. This research makes a unique contribution to knowledge by exposing the hidden interaction effects operating in similar child maintenance systems across four countries: the United Kingdom, United States (Wisconsin), Australia and New Zealand. We found that when child maintenance is counted as income in calculating benefit entitlements, it can reduce the value of cash benefits. Using model lone parent families with ten different employment and income scenarios, we show how the poverty reduction potential of child maintenance is affected by whether it is treated as a substitute for, or a complement to, cash benefits. [ABSTRACT FROM AUTHOR]

When a parent has another child with a new partner, a significant effect on parents and children is likely, making factors associated with multiple-partner fertility of interest to policy makers. For single mothers, one potential policy-relevant factor influencing their subsequent fertility with a new partner is child support income. However, the direction and magnitude of any effect is not well-established. This study documents the simple negative relationship between child support and nonmarital fertility with a new partner in our sample of low-income unmarried mothers. We then take advantage of a policy experiment that resulted in randomly assigned differences in child support income to investigate its effects. We find no support for a negative causal relationship between child support receipt and nonmarital fertility with a new partner, instead finding suggestive evidence that mothers with more child support income are slightly more likely to have a subsequent nonmarital birth with a new partner. [ABSTRACT FROM AUTHOR]