Tagarchief: rationality

Some inconsistencies in food environmentalism

Sometimes environmentalists propose ineffective measures to improve public health and environmental sustainability. These ineffective measures are the result of irrational opinions held by those environmentalists. Sometimes these irrationalities consist of clear and simple inconsistencies in their ideas. Finding these inconsistencies … Lees verder

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Big is beautiful. On the dangers of too much distrust in big institutions and high-tech solutions.

Imagine a covid19 pandemic without big institutions such as governments, tech companies and pharmaceutical companies. We would rely on personal, voluntary behavioral change such as social distancing and washing hands, added with low tech solutions such as face masks. These … Lees verder

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Opposing cell-based meat: a serious irrationality in the animal rights movement

A few years ago, for the first time I changed my mind about an important issue: genetic modification (GMOs). As a member of the environmental movement that is strongly opposed against GMOs, that change of mind was not easy. In … Lees verder

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What anti-vaxxers truly believe (or how reframing improves critical thinking)

Vaccines save millions of lives every year. However, the anti-vaccination movement causes a decline in vaccination rates, which results in extra diseases and deaths. Anti-vaxxers are people who have doubts about the safety and effectiveness of vaccines that are strongly … Lees verder

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Exploiting the cognitive biases of altruists

How to become an effective altruist? The answer is easy: by exploiting the cognitive biases of altruists. Learn about cognitive biases, see how altruists are susceptible to these biases by making ineffective choices, and do what those biased altruists don’t … Lees verder

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The identifiable problem effect

The identifiable victim effect is a cognitive bias (or moral illusion) where an incentive to help someone is higher when the person in need can be identified by the helper. For example, people donate more money to a charity if … Lees verder

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My mistakes and failures

To do good in the world, I think it is crucial to learn from mistakes. In the past I made a lot of mistakes and also this website contained (and most likely still contains) mistakes. Here I present an overview … Lees verder

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Economics and ethics for a rational politics

People often ask me why I started a master’s study in policy economics after finishing two PhD’s in natural sciences and in moral philosophy. I think that economics, ethics and science are three important areas of research for a rational … Lees verder

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Effective altruism and the law of diminishing marginal effect

If you hold a weight of 10 grams in your left hand and 20 grams in your right hand, you will feel a difference, but if you hold a weight of 1,01 kilograms in your left hand and 1,02 kilograms … Lees verder

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The anti-experimentation bias

People should not be used as test objects, which means using someone against his or her will in an experiment is morally problematic and would require very strong justification. However, a lot of people are also reluctant to perform medical, … Lees verder

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