Unintended Consequences

SS Eastland

The SS Eastland disaster serves as a stark example of unintended consequences arising from well-meaning safety regulations. After the Titanic tragedy, the Siemens Act mandated ships to carry enough lifeboats for all passengers, but the SS Eastland's design couldn't accommodate this change without becoming dangerously top-heavy. On July 24, 1915, the ship capsized in the Chicago River, resulting in 844 fatalities, ironically due to the very lifeboats intended to save lives 1. This incident illustrates the Peltzmann effect, where safety measures inadvertently lead to riskier behavior, nullifying their intended benefits 1.

Sometimes rules put in place end up changing the behaviors of people, which nullify any benefits the rules may have had in the first place.

--- Gary Arndt

The disaster highlights the complexity of implementing safety regulations without considering potential behavioral changes.

   

Peltzmann Effect

The Peltzmann effect describes how safety regulations can lead to increased risk-taking, as people feel more secure and thus behave more recklessly. This phenomenon was observed in Sweden when traffic fatalities initially decreased after switching driving sides, only to rise again as drivers became accustomed to the change 2. Similarly, in India, the use of the drug diclofenic on cattle led to a catastrophic decline in the vulture population, causing unforeseen ecological and public health issues 2.

Sometimes you just don't know what the downstream results of something will be, because nobody has thought out that many steps.

--- Gary Arndt

These examples underscore the importance of considering long-term consequences when implementing new policies.