Can Policy Changes Be Treated as Natural Experiments? Evidence ...

Controlled and natural experiments can provide convincing evidence about the effects of policy. In non-experimental analyses there is always a possibility of ...

Natural experiments in labour economics and beyond: The 2021 ...

One of the methods – differences-in-differences – is frequently used to analyse policy changes by comparing areas or groups, where some receive ...

The Paradox of Policy-Relevant RCTs and Natural Experiments*

is that there will be changes in what is measured presently (e.g. the measured control-treatment ... experimental evidence, with large-scale policy changes ...

POS0566 SURVIVAL ON TREATMENT AFTER SWITCHING TO A ...

... EVIDENCE FROM A NATURAL EXPERIMENT DUE TO A POLICY CHANGE. D. Lacaille ... You can set your browser to block or alert you about these cookies, but some ...

Natural Experiments and Difference-in-Differences - VA HSRD

program, intervention, or policy. ▫ Ideally, would estimate causal effect of treatment on outcomes by comparing outcomes under counterfactual.

EDITOR'S COMMENTS - MIS Quarterly

... changes or site policy changes) a posteriori because of ... “Social Network Integration and User Content Generation: Evidence from Natural Experiments,”.

Use of natural experiments to evaluate public health policy

In certain settings, a so-called natural experiment resulting from a policy implementation can be used to estimate the causal effect of non-experimental ...

The social life of natural experiments in epidemiology and public ...

Throughout, we illustrate that the concept of the natural experiment has always been fundamentally social and political and tied to disciplinary ...

Experiments | Urban Institute

In some cases, a comparison of mean changes in outcomes between the treatment and control groups in an RCT can provide an estimate of the causal effect of the ...

Natural experiments in leadership research: An introduction, review ...

2, we can estimate the causal effect of the treatment by comparing the average change of the outcome variable y for the treated units (λ + δ) ...

Using natural experiments to improve public health evidence

The majority of studies were evaluations of the impact of policies (n = 19), such as assessing changes to food labelling, food advertising or taxation on diet ...

Field Experiments and the Political Economy of Development

The observer effect in international politics: evidence from a natural experiment. ... Does education change political attitudes? Evidence from a Kenyan ...

Improving Causal Inference - Thad Dunning

smaller number of units could be assigned to treatment and control by a natural experiment. ... Natural experiments can afford political scientists with powerful ...

The Paradox of Policy-Relevant RCTs and Natural Experiments*

In the second scenario, the government is able to change the policy variable post-experiment, and will do so using the experimental evidence. For example, a ...

Unnatural Experiments? Estimating the Incidence of Endogenous ...

... natural experiment' is often implicitly de®ned as a law change that affects ... policy choice is purposeful action and can rarely be treated as experimental data.

A Natural Experiment on Retrospective Voting and Local Resistance ...

Consequently, these technologies will be distributed across the landscape, exacerbating the political challenge of addressing climate change. These patterns of ...

Using a quasi-natural experiment to identify the effects of birth ...

around the policy changes does not reveal any specific trends either increasing or ... after the policy change which may thus be seen as treated and untreated. To ...

Differences-in-Differences: Neither Natural nor an Experiment

As such, social scientists are often urged to identify a natural experiment when randomization is not possible (Angrist and Pischke, 2010). Research that can be ...

Andrew C. Johnston - Natural Experiment - Google Sites

A natural experiment is an observational study in which the assignment of treatments to subjects has been haphazard, chosen by nature or policy rather than an ...

Natural experiment - Wikipedia

Thus, natural experiments are observational studies and are not controlled in the traditional sense of a randomized experiment (an intervention study). Natural ...