Phytoremediation of Lead: What Works, What Doesn’t

Forecasting in Nonstationary Environments: What Works and What Doesnt in Reduced-Form and Structural Models

This review provides an overview of forecasting methods that can help researchers forecast in the presence of non-stationarities caused by instabilities. The emphasis of the review is both theoretical and applied, and provides several examples of interest to economists. We show that modeling instabilities can help, but it depends on how they are modeled. We also show how to robustify a model ag...

What works, and what really works.

In recent development discourse, much has been debated and written about evidence-based actions, defined as: ‘the application of the best available systematically assembled evidence in setting policy and practice’. Nutrition is clearly not exempt from justifying itself, and it is important that Public Health Nutrition has addressed this in recent issues. Much of our knowledge of ‘what works’ de...

What Works Well Tells Us What Works Better

Artificial Intelligence: What Works and What Doesn't?

research and development dollars for decades now, and people are beginning to ask hard questions: What really works? What are the limits? What doesn’t work as advertised? What isn’t likely to work? What isn’t affordable? This article holds a mirror up to the community, both to provide feedback and stimulate more selfassessment. The significant accomplishments and strengths of the field are high...

Alternative Medicine What Works

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