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Crop yield variability is a defining characteristic of agriculture. Variations in yield and production are strongly influenced by fluctuations in weather. Concern has been expressed about the consequences of the buildup of greenhouse gases (GHGs) in the atmosphere on long-term climate patterns, including the frequency of extreme events, and the subsequent effect on crop yields and yield variability. In this chapter we present background on the variability issue, including a review of the physical and human dimensions of climate change as related to agricultural production. We also present the results of two recent studies; the first focuses on the effects of climatic variability on yields and the second on the effects of increases in extreme weather events on agriculture. The first study shows that temperature and precipitation changes affect both the mean and variances of crop yields, usually in opposite ways, e.g. under increasing temperatures, corn yields decrease and yield variance increases, while increases in precipitation increase corn yields and reduce variability. In the second study, increases in the frequency and strength of one type of extreme event, the El Niño-Southern Oscillation or ENSO, results in economica damages to agriculture. These damages can be averted by using forecasts of such events in agricultural planting decisions.

The recent fluctuations in farm income remind us of the boom-bust nature of the agricultural sector. To better understand these fluctuations in farm income, the purpose of this paper is to examine the relationship between farm income and influential factors from 1964 to 2010 allowing for structural breaks in the data.

The authors estimate error-correction models for an overarching model and several sub-models at different scales based on their relationship with farm income: micro, meso, and macro. The authors then provide a series of impulse response functions (IRFs) that combine short- and long-run impacts in a rigorous framework indicating the response of farm income to shocks from any of the explanatory variables.

Results indicate that prices paid (PP) and received by farmers, technological change, interest and exchange rates (ERs), gross domestic product (GDP) and land prices all influence farm income. Results using IRFs show how increases in farm income arise from shocks to prices received and GDP; while PP, interest rates, and land prices have a negative impact on farm income. Technological progress and ERs switch from having a negative short-run impact, to a positive long-run impact.

This paper takes a fresh look at the single, overarching model for farm income determinants. The authors break this model into three separate levels, with results indicating that these sub-groups perform better than the one overarching model of all variables.

The purpose of this paper is to introduce librarians, faculty, and other interested individuals to contemporary German literature in English translation.

German‐language authors born in 1950 or later and listed on the Contemporary Living Authors Comprehensive List developed by the German vendor Otto Harrassowitz are searched in OCLC's WorldCat database to determine the existence of English translations. A bio‐bibliographical list is then developed featuring all contemporary German‐language authors who have achieved an English language translation of at least one of their literary works.

Of the approximately 1,400 writers on Harrassowitz's comprehensive list, a surprisingly large number of almost 80 authors of the younger generation (born in 1950 or later) have been translated into English.

This bio‐bibliography of contemporary German belles lettres (of the younger generation) in English translation is the first of its kind. It can be used by librarians to check their current library holdings and to expand their collections of German literature in English translation.

This chapter focusses on food systems' vulnerability. In a rapidly and unpredictably changing world, vulnerability of farming and food systems becomes a key issue. The conceptual bases for food vulnerability analysis and food vulnerability assessment are discussed in a systemic perspective with an eye to the transition approach (Geels, 2004) as a perspective capable to analyze how novelties can develop and influence the system capability to fulfil societal functions, and food and nutrition security in particular. A framework for assessing people's food vulnerability is presented together with a simple vulnerability model based on the three dimensions of exposure (the degree to which a system is likely to experience environmental or sociopolitical stress), sensitivity (the degree to which a system is modified or affected by perturbations) and adaptive capacity (the ability to evolve in order to accommodate environmental hazards or change) (Adger, 2006). Then, other sections are dedicated to discuss the general questions that should be answered by a vulnerability assessment exercise, and the specific challenges emerging when the assessment concerns a food system. These elements are then used in the Annex to this chapter as a base for the development of a detailed method based on seven distinct steps for conducting participatory assessments of the vulnerability of food systems.

Supply of food from the early stages of societies was one of the most important needs of humans. Sustainable supply of food is a demand in modern societies. The agri-food market grows as the population rises every year. The increase in the demand side of the market is more than the growth of the supply side. The rate of using technology in the supply side is increasing rapidly. By using technology in some parts, the efficiency of production improved and caused more production while resources are the same. Availability of resources in different areas causes different ways of production and nurturing innovative technologies to maintain food security. Water, soil, climate change, and growth of population are drivers of using technology in food security. To depict the role of different technologies in the food industry, the authors have reviewed the role of the most important technologies in this field. Knowing the trends of changes in the industry will help to focus on the most important questions and solutions. Having a share in the global food market requires the major use of technology in production processes. In this chapter, the authors will review the most important trends of technology absorption in the food industry.

The present study aims to examine how consumers evaluate the extended human brands of athlete celebrities beyond their unique brand personality associated with sports. Athlete celebrities' unique image in sports is used as a human brand, and attitude toward the athlete brand extensions is investigated when the athlete's name is included in a new non-sport brand. The concepts of brand extensions were employed to develop the ideas of human brand extensions.

In total, 198 participants answered online survey questions before and after being informed of athlete brand extensions. Partial least squares structural equation modeling is utilized to test the hypotheses.

The survey results indicated that athlete–product fit and image transfer positively influenced attitude toward the extension. In addition, attitude toward the athlete brand extensions was significantly influenced by consumers' pre-existing attitude toward the celebrity; however, not by celebrity's expertise.

The research findings imply that some brand extension concepts are applicable to human brands to understand the effectiveness of athlete brand extensions for non-sport products.

Beyond traditional brand endorsement, many celebrities have in recent years decided to launch their own product lines, which may be used to promote their own celebrity brand. Which product categories or social causes match a celebrity’s brand personality? This study aims to investigate the antecedents of celebrity–product degree of fit and willingness to pay (WTP)/make a donation in different scenarios. The manipulation of the scenarios aims to capture the role of celebrity attributes, perceived personality profiles, product involvement and acceptance of social causes.

In total, 335 respondents answered an online questionnaire with a factorial plan corresponding to 20 different matching scenarios: five celebrities/perceived personalities (Emma Watson, Jennifer Lawrence, Kim Kardashian, Natalie Portman and Scarlet Johansson) × four types of branding scenarios (a lipstick for low involvement; a watch for high involvement; an eco-foundation for “high social acceptance” and vodka for “low social acceptance/controversial”).

Scarlett Johansson obtained the highest degree of fit, both for launching her own brand of lipstick or a watch. Kim Kardashian had the best degree of fit for launching her own vodka brand, while Emma Watson’s attributes confirmed that she would be seen as the ideal founder of an eco-foundation. Significant predictors of WTP/make a donation were assessed by multiple linear regression for each type of product.

The paper provides recommendations that may help guide celebrity brand managers through the celebrity–product matching process.

Celebrity branding in relation to social causes is also discussed in this paper.

This study explores a gap found in the literature as it explores the product match-up hypotheses within a celebrity branding context and moreover extends this investigation to social causes and products with different degrees of involvement and social acceptance.

Total factor productivity (TFP) has become a prominent concept in agriculture economics and policy over the last three decades. The main aim of this paper is to obtain a detailed picture of the field via bibliometric analysis to identify research streams and future research agenda.

The data sample consists of 472 papers in several bibliometric exercises. Citation and collaboration structure analyses are employed to identify most important authors and journals and track the interconnections between main authors and institutions. Next, content analysis based on bibliographic coupling is conducted to identify main research streams in TFP.

Three research streams in agricultural TFP research were distinguished: TFP growth in developing countries in the context of policy reforms (1), TFP in the context of new challenges in agriculture (2) and finally, non-parametric TFP decomposition based on secondary data (3).

This research indicates agenda of future TFP research, in particular broadening the concept of TFP to the problems of policy, environment and technology in emerging countries. It provides description of the current state of the art in the agricultural TFP literature and can serve as a “guide” to the field.

The purpose of this paper is to perform an integrative analysis, mapping the main areas of the celebrity endorsement literature of the last 20 years, offering a taxonomy of subject subareas and a research agenda for the topic.

The research was divided into two stages: the first was a systematic review of literature, and the second consisted on complementary information based on the generation and analysis of the maps elaborated by the VOSviewer software based on the data collected. The searches for the data occurred between the months of January and March of 2017.

The paper provides a decentralization framework in terms of authors regarding the celebrity endorsement. The country with the largest number of research works in the area is the USA; also, the paper reveals the most cited document, also the main journals about the theme, the main keywords, the main authors and their discussions. Thereafter, the paper presents tables containing the main author’s and respective theme inside celebrity endorsement.

One possible limitation of the research is that it was performed only in the Scopus database, and it may be suggested as future searches that other databases are included as well.

The results of this paper can serve as a facilitating guide for researchers and for managers that want to know more about the topic.

A categorization table was proposed containing the subthemes of celebrity endorsement that were discussed in the last 20 years and a list of their respective authors, including the following subjects: cultural comparison, congruence, adverse effects, efficacy and intention to purchase, marketing destinations, social media, models and reviews, multiple endorsements, social policy, values of brand/economic.