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Author: Nicholas Piggott Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
A theoretical model of consumer response to publicized food safety information on meat demand is developed with an empirical application to U.S. meat consumption. Evidence is found for the existence of pre-committed levels of consumption, seasonal factors, time trends, and contemporaneous own- and cross-commodity food safety concerns. The average demand response to food safety concerns is small, especially in comparison to price effects, and to previous estimates of health related issues. This small average effect masks periods of significantly larger responses corresponding with prominent food safety events, but these larger impacts are short-lived with no apparent food safety lagged effects on demand.
Author: Nicholas Piggott Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
A theoretical model of consumer response to publicized food safety information on meat demand is developed with an empirical application to U.S. meat consumption. Evidence is found for the existence of pre-committed levels of consumption, seasonal factors, time trends, and contemporaneous own- and cross-commodity food safety concerns. The average demand response to food safety concerns is small, especially in comparison to price effects, and to previous estimates of health related issues. This small average effect masks periods of significantly larger responses corresponding with prominent food safety events, but these larger impacts are short-lived with no apparent food safety lagged effects on demand.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The objective of this dissertation is to explore the theoretical and empirical implications of a meat demand model with rational habits. To introduce consumption dynamics, habit persistence is used to motivate intertemporally related preferences. The impact of food safety information on meat consumption is systematically analyzed. Important differences between myopic habits and rational habits are underscored. Theoretical predictions are tested using U.S. consumption data and food safety indices compiled based on articles from four major U.S. newspapers during the 1980(3)-2005(4) period. Assuming rational expectations, Hansen's (1982) generalized method of moments (GMM) is implemented to investigate the Euler equations implied by a demand model with habits. Empirical evidence suggests that, at quarterly frequencies, habit persistence dominates inventory behavior in beef consumption during the post-1998 sample period, while pork and poultry demands exhibit mild degrees of inventory adjustment overall for this period. A plausible explanation for the dominance of habits in beef demand since 1998 is that the low carb-high protein fad may have helped to increase the degree of habits for beef. This is consistent with the theoretical prediction that an increase in the perceived benefits of long-term consumption of a good is likely to strengthen the degree of habit persistence of that good. With GMM estimates of preference parameters at hand, demand elasticities to price and food safety shocks that are expected to be transitory or permanent can be computed. The standard procedure is to linearize the Euler equations and derive analytical results for elasticities. Nevertheless, linearization is not attempted here. Instead, a numerical procedure is invoked to compute approximate solutions to the Euler equation under various shock senarios. The simulated elasticities are sensible and consistent with theoretical predictions. Specifically, using 2004(4) prices and food safety lev.
Author: Xia Shang Publisher: ISBN: Category : Languages : en Pages :
Book Description
Few things facing the U.S. meat industry in recent years have garnered more attention of economic researchers than food safety events, policies, and mitigation efforts. This dissertation has two main essays and themes focusing on both domestic and international food safety issues. Contributing new insights to this situation, the impacts of FSIS (Food Safety Inspection Service) recalls on consumer meat demand in the United States are estimated by a series of Rotterdam models in the first study using monthly grocery-scanner data. Multiple model specifications are employed to further assess effects across meat products and geographic regions. Recall variables are constructed separately as beef E. coli recall, beef non-E. coli recall, pork recall, and poultry recall variables to facilitate finer assessment of demand impacts. Results suggest beef E. coli recalls significantly reduce the demand for ground beef contemporaneously among most, but not all, regions in the United States. The ultimate finding of food safety effects neither being fully homogeneous nor entirely heterogeneous warrants appreciation. In order to protect domestic consumers and meat industries from potential food safety hazards, some member countries of the WTO implement sanitary and phytosanitary (SPS) measures as non-tariff barriers. The second study focuses on investigating the determinants of red meat trade patterns and associated impacts of SPS regulations. This analysis uses multiple product-level gravity equation models and PPML (Poisson Pesudo Maximum-likelihood estimators to overcome sample selection bias and heteroscedasticity and examine the trade relationship among other factors. Results indicate that, trade values of frozen beef and pork are significantly reduced by the implementation of SPS measures. Also, the spillover effects across meat products on trade were detected which provides essential information to the meat industry, policy makers, and trade representatives.
Author: Committee to Ensure Safe Food from Production to Consumption Publisher: National Academies Press ISBN: 0309593409 Category : Medical Languages : en Pages : 209
Book Description
How safe is our food supply? Each year the media report what appears to be growing concern related to illness caused by the food consumed by Americans. These food borne illnesses are caused by pathogenic microorganisms, pesticide residues, and food additives. Recent actions taken at the federal, state, and local levels in response to the increase in reported incidences of food borne illnesses point to the need to evaluate the food safety system in the United States. This book assesses the effectiveness of the current food safety system and provides recommendations on changes needed to ensure an effective science-based food safety system. Ensuring Safe Food discusses such important issues as: What are the primary hazards associated with the food supply? What gaps exist in the current system for ensuring a safe food supply? What effects do trends in food consumption have on food safety? What is the impact of food preparation and handling practices in the home, in food services, or in production operations on the risk of food borne illnesses? What organizational changes in responsibility or oversight could be made to increase the effectiveness of the food safety system in the United States? Current concerns associated with microbiological, chemical, and physical hazards in the food supply are discussed. The book also considers how changes in technology and food processing might introduce new risks. Recommendations are made on steps for developing a coordinated, unified system for food safety. The book also highlights areas that need additional study. Ensuring Safe Food will be important for policymakers, food trade professionals, food producers, food processors, food researchers, public health professionals, and consumers.
Author: Institute of Medicine Publisher: National Academies Press ISBN: 0309259363 Category : Medical Languages : en Pages : 418
Book Description
Globalization of the food supply has created conditions favorable for the emergence, reemergence, and spread of food-borne pathogens-compounding the challenge of anticipating, detecting, and effectively responding to food-borne threats to health. In the United States, food-borne agents affect 1 out of 6 individuals and cause approximately 48 million illnesses, 128,000 hospitalizations, and 3,000 deaths each year. This figure likely represents just the tip of the iceberg, because it fails to account for the broad array of food-borne illnesses or for their wide-ranging repercussions for consumers, government, and the food industry-both domestically and internationally. A One Health approach to food safety may hold the promise of harnessing and integrating the expertise and resources from across the spectrum of multiple health domains including the human and veterinary medical and plant pathology communities with those of the wildlife and aquatic health and ecology communities. The IOM's Forum on Microbial Threats hosted a public workshop on December 13 and 14, 2011 that examined issues critical to the protection of the nation's food supply. The workshop explored existing knowledge and unanswered questions on the nature and extent of food-borne threats to health. Participants discussed the globalization of the U.S. food supply and the burden of illness associated with foodborne threats to health; considered the spectrum of food-borne threats as well as illustrative case studies; reviewed existing research, policies, and practices to prevent and mitigate foodborne threats; and, identified opportunities to reduce future threats to the nation's food supply through the use of a "One Health" approach to food safety. Improving Food Safety Through a One Health Approach: Workshop Summary covers the events of the workshop and explains the recommendations for future related workshops.
Author: Publisher: Emerald Group Publishing ISBN: 1845441621 Category : Food Languages : en Pages : 60
Book Description
The BRG also welcomed a number of guests who spent time working with the Group on their own projects. The focus has been primarily on biomedical research and clinical medicine, although some work has been done in other areas. The new methods allow subject-based analysis to take place in ways that have not previously been possible and have led to many reports for clients and publications in journals.
Author: Charlene Wolf-Hall Publisher: CABI ISBN: 1780644809 Category : Technology & Engineering Languages : en Pages : 199
Book Description
This interdisciplinary textbook provides the reader with vital information and comprehensive coverage of foodborne microbial pathogens of potential risk to human consumers. It includes human pathogens and toxins originating from plants, fungi and animal products and considers their origin, risk, prevention and control. From the perspectives of microorganisms and humans, the authors incorporate concepts from the social and economic sciences as well as microbiology, providing synergies to learn about complex food systems as a whole, and each stage that can present an opportunity to reduce risk of microbial contamination. Microbial Food Safety: A Food Systems Approach explains concepts through a food supply network model to show the interactions between how humans move food through the global food system and the impacts on microorganisms and risk levels of microbial food safety. Written by authors renowned in the field and with extensive teaching experience, this book is essential reading for upper-level undergraduate and postgraduate students of food microbiology, food safety and food science, in addition to professionals working in these areas.
Author: Nicholas Piggott
Author: Nicholas Piggott
Author: 
Author: Xia Shang
Author: Committee to Ensure Safe Food from Production to Consumption
Author: Institute of Medicine
Author: 
Author: Chen Chen
Author: Chen Zhen
Author: Charlene Wolf-Hall
Author: Zhen Chen