20 resultados para market-making
em Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States
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Newsletter produced by Iowa Department of Agriculture and Land Stewardship
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Newsletter produced by Iowa Department of Agriculture and Land Stewardship
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Newsletter produced by Iowa Department of Agriculture and Land Stewardship
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Newsletter produced by Iowa Department of Agriculture and Land Stewardship
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Newsletter produced by Iowa Department of Agriculture and Land Stewardship
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Farmers Market Manual produced by Iowa Departmment of Agriculture and Land Stewardship
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Demographic and employment information are used by economic developers, market researchers, counselors and curriculum developers for educational institutions, academic researchers, government planners, and private businesses. Occupational information on employment and wages also provides guidance for students making their first career choices and older workers considering a change of profession. In the last decade, Iowans have grown older and more diverse. The median age (2000) stood at 36.6 years, with 38 counties recording a median age of 40 or above. In the last decade, Hispanics accounted for a third of Iowa’s population growth. The most highly educated Iowans were Asians, with 43 percent earning a minimum of a bachelor’s degree. The Iowa labor force has been growing erratically since 1980, but still reached a record 1,663,000 in 2002 before inching downward. In the next 25 years, the labor force will see dramatic changes with the impending retirement of the baby boom generation and the influx of new immigrants and younger college-educated workers. While Iowa nonfarm employment declined by 7,000 workers during 2003, it did show improvement in the second half of the year. In a prosperous year, the Iowa economy generates an average of 2,500 jobs per month. This number was negative during the recession and has been below average this year. National economic events will continue to have a strong impact on Iowa job growth. Occupations requiring higher education are among the higher-paying Iowa jobs. Computer software engineers, computer support specialists, and customer service representatives are expected to be among the faster-growing occupations. Also, the aging population will bring opportunities for workers in healthcare. Occupations requiring higher education are among the higher-paying Iowa
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Fiber reinforced polymer (FRP) composite materials are making an entry into the construction market in both buildings and pavements. The application to pavements so far has come in the form of joint reinforcement (dowels and tie bars). FRP resistance to salt corrosion in dowels has made it an alternative to standard epoxy-coated steel dowels for pavements. Iowa State University has completed a large amount of laboratory research to determine the diameter, spacing, and durability of FRP dowels. This report documents the performance of elliptical FRP dowels installed in a field situation. Ten joints were monitored in three consecutive test sections, for each of three dowel spacings (10, 12, and 15 inches) including one instrumented dowel in each test section. The modulus of dowel bar support was determined using falling weight deflectometer (FWD) testing and a loaded crawl truck. FWD testing was also used to determine load transfer efficiency across the joint. The long-term performance and durability of the concrete was also evaluated by monitoring faulting and joint opening measurements and performing visual distress surveys at each joint. This report also contains similar information for standard round, medium elliptical, and heavy elliptical steel dowels in a portion of the same highway. In addition, this report provides a summary of theoretical analysis used to evaluate joint differential deflection for the dowels.
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Fiber composite materials (FRP) are making an entry into the construction market in both buildings and pavements. The application to pavements comes in the form of joint reinforcement (dowels and tie bars) to date. FRP resistance to salt corrosion in dowels has made it an alternative to standard epoxy coated dowels for pavements. Iowa State University has completed a large amount of laboratory research into the determination of diameter, spacing, and durability of FRP dowels. This report documents the installation of a series of FRP elliptical-shaped dowel joints (including instrumented units) in a field situation and the beginning of a two-year study to compare laboratory results to in-service pavements. Ten joints were constructed for each of three dowel spacings of 10, 12, and 15 inches ( 254, 305, and 381 mm) with one instrumented joint in each test section. The instrumented bars will be load tested with a loaded truck and FWD testing.
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An investigation of financing an inspection policy while allowing the enforcement of a market regulation is described. A simple model shows that the intensity of controls depends on the market structure. Under a given number of firms, the per-firm probability of controls is lower than one, since firms’ incentive to comply with regulation holds under positive profits. In this case, a lump-sum tax is used for limiting distortions coming from financing with a fixed fee. Under free entry, the per-firm probability of controls is equal to one, and only a fixed fee that prevents excess entry is used to finance inspection.
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Evaluating the possible benefits of the introduction of genetically modified (GM) crops must address the issue of consumer resistance as well as the complex regulation that has ensued. In the European Union (EU) this regulation envisions the “co-existence” of GM food with conventional and quality-enhanced products, mandates the labelling and traceability of GM products, and allows only a stringent adventitious presence of GM content in other products. All these elements are brought together within a partial equilibrium model of the EU agricultural food sector. The model comprises conventional, GM and organic food. Demand is modelled in a novel fashion, whereby organic and conventional products are treated as horizontally differentiated but GM products are vertically differentiated (weakly inferior) relative to conventional ones. Supply accounts explicitly for the land constraint at the sector level and for the need for additional resources to produce organic food. Model calibration and simulation allow insights into the qualitative and quantitative effects of the large-scale introduction of GM products in the EU market. We find that the introduction of GM food reduces overall EU welfare, mostly because of the associated need for costly segregation of non-GM products, but the producers of quality-enhanced products actually benefit.
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Newsletter produced by Iowa Department of Agriculture and Land Stewardship
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Newsletter produced by Iowa Department of Agriculture and Land Stewardship
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Newsletter produced by Iowa Department of Agriculture and Land Stewardship
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Newsletter produced by Iowa Department of Agriculture and Land Stewardship
