The Wealth of Mexican Americans

This paper analyzes the sources of disparities in the relative wealth position of Mexican Americans. Results reveal that wealth gaps are in large part not the result of differences in conditional expected wealth functions. Similarly, income differentials are important, but do not play the primary role in explaining the gap in median net worth. As much or more of Mexican Americans' wealth disadvantage is attributable to the fact that these families have more young children and heads who are younger. Furthermore, Mexican Americans' low educational attainment has a direct effect in producing a wealth gap relative to other ethnic groups (even after differences in income are taken into account) though education does not significantly affect the nativity wealth gap. Finally, geographic concentration is generally unimportant, but does contribute to narrowing the wealth gap between wealthy Mexican Americans and their white and black counterparts.wealth; Mexican American

Portfolio Allocation in the Face of a Means-Tested Public Pension

Is there evidence that households adjust their asset portfolios just prior to retirement in response to a means-tested public pension? We address this question by estimating a system of asset equations constrained to add up to net worth. We find little evidence that in 2006 healthy households or couples responded to the incentives embedded in the means test determining pension eligibility by reallocating their assets. While there are some significant differences in asset portfolios associated with being near the income threshold, being of pensionable age, and being in poor health these differences are often only marginally significant, are not robust across time, and are not clearly consistent with the incentives inherent in the pension eligibility rules. In 2006, any behavioral response to the means test seems to occur among single pensioners in poor health. Comparison with 2002 results suggests the incentives to reallocate assets may have weakened over time.asset portfolios; means testing; public pension; household wealth

The Asset Portfolios of Native-Born and Foreign-Born Households

This paper analyses the net worth and asset portfolios of native- and foreign-born Australian families using HILDA (wave 2) data. Specifically, we estimate a system of asset equations with an adding-up constraint imposed to control for variation in households’ total net worth. Our results indicate that after accounting for differences in human capital and income levels, single immigrants have a wealth advantage of almost $185,000 relative to single native-born individuals. Although the wealth gap between mixed and native-born couples is not statistically significant, immigrant-only couples have approximately$150,000 less wealth on average than native-born couples. Relative to equally wealthy native-born couples, immigrant-only couples hold substantially more of their wealth in their homes and less in the form of vehicles and financial assets. Mixed couples, on the other hand, allocate their wealth across assets in the same way as native-born couples.wealth, immigrants, housing

The Portfolio Choices of Hispanic Couples

This paper analyzes the portfolio allocations of couple-headed, Hispanic families using Survey of Income and Program Participation (SIPP) data. Our results reveal that Hispanic couples as a group are less wealthy than otherwise similar white couples, although there is substantial variation across Hispanic-origin groups. Much of the disparity in portfolio choices of Hispanic relative to whites appears to stem from these lower wealth levels. Accounting for these wealth disparities, Hispanic couples hold less financial wealth, but more real estate and business equity than do white couples.portfolio choices; Hispanic

Portfolio Allocation in the Face of a Means-Tested Public Pension

Is there evidence that households adjust their asset portfolios just prior to retirement in response to a means-tested public pension? We address this question by estimating a system of asset equations constrained to add up to net worth. We find little evidence that in 2006 healthy households or couples responded to the incentives embedded in the means test determining pension eligibility by reallocating their assets. While there are some significant differences in asset portfolios associated with being near the income threshold, being of pensionable age, and being in poor health these differences are often only marginally significant, are not robust across time, and are not clearly consistent with the incentives inherent in the pension eligibility rules. In 2006, any behavioral response to the means test seems to occur among single pensioners in poor health. Comparison with 2002 results suggests the incentives to reallocate assets may have weakened over time.asset portfolios, means testing, public pension, household wealth

The Asset Portfolios of Native-born and Foreign-born Households

This paper analyses the net worth and asset portfolios of native- and foreign-born Australian families using HILDA (wave 2) data. Specifically, we estimate a system of asset equations with an adding-up constraint imposed to control for variation in households’ total net worth. Our results indicate that after accounting for differences in human capital and income levels, single immigrants have a wealth advantage of almost $185,000 relative to single native-born individuals. Although the wealth gap between mixed and native-born couples is not statistically significant, immigrant-only couples have approximately$150,000 less wealth on average than native-born couples. Relative to equally wealthy native-born couples, immigrant-only couples hold substantially more of their wealth in their homes and less in the form of vehicles and financial assets. mixed couples, on the other hand, allocate their wealth across assets in the same way as nativeborn couples.Wealth, immigrants, housing

Opportunity-Rich Schools and Sustainable Communities: Seven Steps to Align High-Quality Education With Innovations in City and Metropolitan Planning and Development

Details challenges and steps for linking quality education and community and economic vitality, including establishing a shared vision and metrics, aligning investments for prosperity, and expanding access via transportation. Lists promising practices

Structural MRI Correlates of Episodic Memory Processes in Parkinson's Disease Without Mild Cognitive Impairment.

BackgroundChanges in episodic memory are common early in Parkinson's disease (PD) and may be a risk factor for future cognitive decline. Although medial temporal lobe (MTL) memory and frontostriatal (FS) executive systems are thought to play different roles in distinct components of episodic memory impairment in PD, no study has investigated whether different aspects of memory functioning are differentially associated with MTL and FS volumes in nondemented patients without mild cognitive impairment (PD-woMCI).ObjectivesThe present study investigated MRI markers of different facets of memory functioning in 48 PD-woMCI patients and 42 controls.MethodsRegional volumes were measured in structures comprising the MTL and FS systems and then correlated with key indices of memory from the California Verbal Learning Test.ResultsIn PD-woMCI patients, memory was impaired only for verbal learning, which was not associated with executive, attention/working memory, or visuospatial functioning. Despite an absence of cortical atrophy, smaller right MTL volumes in patients were associated with poorer verbal learning, long delayed free recall, long delayed cued recall, and recognition memory hits and false positives. Smaller right pars triangularis (inferior frontal) volumes were also associated with poorer long delayed cued recall and recognition memory hits. These relationships were not found in controls.ConclusionsThe findings indicate that MTL volumes are sensitive to subtle changes in almost all facets of memory in PD-woMCI, whereas FS volumes are sensitive only to memory performances in cued-testing formats

Inter-Organizational Systems (IOS) for Supply Chain Management (SCM): A Multi-Perspective Adoption Framework

There has been no framework developed, to date, that has been found to examine an Inter- Organisational System (IOS) for Supply Chain Management (SCM) from supplier and customer perspectives. This paper proposes such a framework and then uses four theories, namely resource dependency theory, organisational theory, actor-network theory and negotiated order theory, to understand how the framework supports management collaboration and interaction in the adoption of an IOS. This adoption framework is proposed to better study how senior management staff, from both supplier and customer perspectives, collaborate and interact in the IOS adoption process. The framework has been constructed from the literature identifying six major aspects for consideration namely: inter and intra organisational collaboration; strategic management approaches; supply chain design (SCD); business process redesign/reengineering (BPR); information systems (IS)/information technology (IT) architecture and external environmental factors. Understanding the interaction of management from customer and supplier perspectives in the adoption of an IOS for SCM, makes a significant contribution to knowledge in this area

Recent and Ancient Signature of Balancing Selection around the S-Locus in Arabidopsis halleri and A. lyrata

Balancing selection can maintain different alleles over long evolutionary times. Beyond this direct effect on the molecular targets of selection, balancing selection is also expected to increase neutral polymorphism in linked genome regions, in inverse proportion to their genetic map distances from the selected sites. The genes controlling plant self-incompatibility are subject to one of the strongest forms of balancing selection, and they show clear signatures of balancing selection. The genome region containing those genes (the S-locus) is generally described as nonrecombining, and the physical size of the region with low recombination has recently been established in a few species. However, the size of the region showing the indirect footprints of selection due to linkage to the S-locus is only roughly known. Here, we improved estimates of this region by surveying synonymous polymorphism and estimating recombination rates at 12 flanking region loci at known physical distances from the S-locus region boundary, in two closely related self-incompatible plants Arabidopsis halleri and A. lyrata. In addition to studying more loci than previous studies and using known physical distances, we simulated an explicit demographic scenario for the divergence between the two species, to evaluate the extent of the genomic region whose diversity departs significantly from neutral expectations. At the closest flanking loci, we detected signatures of both recent and ancient indirect effects of selection on the S-locus flanking genes, finding ancestral polymorphisms shared by both species, as well as an excess of derived mutations private to either species. However, these effects are detected only in a physically small region, suggesting that recombination in the flanking regions is sufficient to quickly break up linkage disequilibrium with the S-locus. Our approach may be useful for distinguishing cases of ancient versus recently evolved balancing selection in other systems