News, I-74 Iowa-Illinois Corridor Study, Issue 2, Winter 2002

Newsletter updating the corridor study of the Mississippi Bridge project for the states of Iowa and Illinois.

Iowa Aviation Bulletin, Winter 2001-2002

Quarterly newsletter published by the Iowa Department of Transportation's Office of Aviation that contains information of interest to aviation-related persons and organizations.

Iowa Aviation Bulletin, Winter 2001

Quarterly newsletter published by the Iowa Department of Transportation's Office of Aviation that contains information of interest to aviation-related persons and organizations.

I-35 Corridor Trade Study Newsletter, Winter 1998

The Federal Highway Administration (FHWA)and the Departments of Transportation in Texas, Oklahoma, Kansas, Missouri, Iowa and Minnesota combined their efforts to conduct The I-35 Trade Corridor Study.

Connections, Winter 2001-2002

Newsletter for Iowa Department of Transportation, Office of Public Transit

Main Street Messenger, Winter 2006

Main Street Iowa information.

SMARTNews, Winter 2006

News from the Iowa Careers Consortium

Traducción de un fragmento del libro NS-Offizier war ich nicht de Ute Althaus

El presente trabajo consiste en la traducción del alemán al español de un fragmento del libro NS-Offizzier war ich nicht (Ute Althaus), en el cual se aborda el tópico del nacionalsocialismo desde el ámbito familiar y bajo una perspectiva psico-social.

Growth, Democracy, and Civil War

Does economic growth affect the likelihood of civil war? Answering this question requires dealing with reverse causation. Our approach exploits that international commodity prices have a significant effect on the income growth of Sub-Saharan African countries. We show that lower income growth makes civil war more likely in non-democracies. This effect is significantly weaker in democracies; as a result, we find no link between growth and civil war in these countries. Our reducedform results also indicate that lower international commodity price growth has no effect on civil war in democracies, but raises the likelihood of civil war incidence and onset in nondemocracies.

Demographic effects of extreme winter weather in the barn owl.

Extreme weather events can lead to immediate catastrophic mortality. Due to their rare occurrence, however, the long-term impacts of such events for ecological processes are unclear. We examined the effect of extreme winters on barn owl (Tyto alba) survival and reproduction in Switzerland over a 68-year period (approximately 20 generations). This long-term data set allowed us to compare events that occurred only once in several decades to more frequent events. Winter harshness explained 17 and 49% of the variance in juvenile and adult survival, respectively, and the two harshest winters were associated with major population crashes caused by simultaneous low juvenile and adult survival. These two winters increased the correlation between juvenile and adult survival from 0.63 to 0.69. Overall, survival decreased non-linearly with increasing winter harshness in adults, and linearly in juveniles. In contrast, brood size was not related to the harshness of the preceding winter. Our results thus reveal complex interactions between climate and demography. The relationship between weather and survival observed during regular years is likely to underestimate the importance of climate variation for population dynamics.

Main Street Messenger, Winter 2006

News from the Iowa Downtown Resource Center, Main Street Iowa, and the Iowa Department of Economic Development Community Development Division.

The Three Horsemen of Growth: Plague, War and Urbanization in Early Modern Europe

How did Europe overtake China? We construct a simple Malthusian model with two sectors, and use it to explain how European per capita incomes and urbanization rates could surge ahead of Chinese ones. That living standards could exceed subsistence levels at all in a Malthusian setting should be surprising. Rising fertility and falling mortality ought to have reversed any gains. We show that productivity growth in Europe can only explain a small fraction of rising living standards. Population dynamics - changes of the birth and death schedules - were far more important drivers of the longrun Malthusian equilibrium. The Black Death raised wages substantially, creating important knock-on effects. Because of Engel's Law, demand for urban products increased, raising urban wages and attracting migrants from rural areas. European cities were unhealthy, especially compared to Far Eastern ones. Urbanization pushed up aggregate death rates. This effect was reinforced by more frequent wars (fed by city wealth) and disease spread by trade. Thus, higher wages themselves reduced population pressure. Without technological change, our model can account for the sharp rise in European urbanization as well as permanently higher per capita incomes. We complement our calibration exercise with a detailed analysis of intra-European growth in the early modern period. Using a panel of European states in the period 1300-1700, we show that war frequency can explain a good share of the divergent fortunes within Europe.

Iowa Aviation Bulletin, Winter 2006

Iowa Department of Transportation Office of Aviation newsletter

Research News, Winter 2006-2007

Newsletter of Research and Technology Bureau - Highway Division

Iowa African-American Journal, Winter 2005, Vol. 11, no. 2

Newsletter for the Iowa Commission on the Status of African-Americans