Trade union policies on new technology: facing the challenges of the 1980s

Although trade unions have generally agreed TUC policy on new technology, they found it difficult to follow policy and make acceptance conditional. Economic circumstances, employer strategies and the structure of trade unions and collective bargaining, constrain the realisation of policy objectives. But there are also weaknesses in the policies themselves and the resources trade unions dedicate to new technology.     

A REPORT ON THE INTEGRATION OF A UNIT OF DESIGN STUDIES INTO ADVANCED COURSES IN HOME ECONOMICS.

The content of a unit of Design Studies which has been produced for a degree course in Home Economics is outlined and an exercise in three dimensional problem solving is described. The potential of the contribution of Design Education to the development of the modern home economist and consumer is discussed, and the case for an integrated and central role for design studies in Home Economics Courses is presented.     

Economic impacts of integrated pest management (IPM) farmer field schools (FFS): evidence from onion farmers in the Philippines

This article comprehensively examines the impact of integrated pest management‐farmer field school (IPM‐FFS) on yield, insecticide expenditures, labor expenditures, herbicide expenditures, fertilizer expenditures, and profit, based on data from onion producers in the Philippines. Propensity score matching (PSM) and regression‐based approaches that account for potential bias due to selection problems from observable variables are used to achieve the objective of the study. Sensitivity of our IPM‐FFS impact results to potential bias due to “selection on unobservables” was also assessed. We find that farmers who participate in the IPM‐FFS training program have statistically lower insecticide expenditures than the non‐IPM‐FFS farmers. But we do not find any evidence that the IPM‐FFS training program significantly affects yield and the other inputs. There is some evidence indicating that IPM‐FFS farmers may have statistically higher profit levels than non‐IPM‐FFS producers, but these results are sensitive to and may still be invalidated by bias due to unobservable variables. Since IPM‐FFS seem to only significantly reduce insecticide use, policymakers and extension educators may need to adjust the IPM‐FFS curriculum to further emphasize (or include) other agronomic practices that also optimize the use of other inputs like labor, fertilizer, and herbicides. The more efficient use of all inputs would likely reduce total expenditures and eventually translate to higher incomes.     

The effect of relationship orientation on negotiators' cognitions and tactics

Multimethod research was conducted to investigate how relationship orientation affects cognitions and tactics of dealing with conflicts. In-depth interviews by a clinical psychologist revealed differences in perspective on the relationship, and content analysis of a videotaped laboratory simulation revealed differences in tactics attributable to differential concern for relationship preservation. A second laboratory simulation manipulated the duration of the negotiators' relationship to investigate the effects of relationship orientation when situational factors are taken into account. The results generally show that relationship-oriented negotiators tend to view relationships with the other party as continuous rather than episodic, adopt flexible postures, and avoid relationship-impairing tactics; they also show that situation can have a strong effect.     

Impact of the alternate wetting and drying (AWD) water-saving irrigation technique: Evidence from rice producers in the Philippines

This article evaluates the impacts of a controlled irrigation technique in rice production called alternate wetting and drying (AWD). Propensity score matching (PSM) and regression-based approaches applied to farm-level survey data are used to achieve the objective of the study. The PSM and regression-based approach accounts for the potential bias due to selection problems from observable variables. Results of the impact analysis using both empirical approaches indicate that AWD, particularly the “Safe AWD” variant, reduces the hours of irrigation use (by about 38%), without a statistically significant reduction in yields and profits. This reduction in irrigation time translates to corresponding savings in the amount of irrigation water and pumping energy used. However, further analysis of the impact estimates suggests that the potential magnitude of the selection bias based on unobservable variables may still be able to eliminate the measured impact from the PSM and regression-based techniques that only control for selection based on observable variables. Hence, the current impact results have to be interpreted with caution and further data collection is needed to construct a panel data that would allow one to account for selection problems due to unobservable variables and, consequently, better estimate the AWD impact.     

Risk effects of GM corn: Evidence from crop insurance outcomes and high-dimensional methods

This study evaluates whether genetically modified (GM) corn hybrids with rootworm resistant traits (GM-RW) have lower yield risk. A crop insurance actuarial performance measure, the loss cost ratio (LCR), is used to represent yield risk. High-dimensional methods are utilized in this study to maintain parsimony in the empirical specification, and facilitate estimation. Specifically, we employ the Cluster-Lasso (cluster-least absolute shrinkage and selection operator) procedure. This method produces uniformly valid inference on the main variable of interest (i.e., the GM-RW variable) in a high-dimensional panel data setting even in the presence of heteroskedastic, non-Gaussian, and clustered error structures. After controlling for a large set of potential weather confounders using Cluster-Lasso, we find consistent evidence that GM corn hybrids with rootworm resistant traits have lower yield risk.