Semantron 25 Summer 2025

Trickle-down economics

From Figure 4, we can see there is a very strong negative correlation between the highest income tax bracket rate and the Gini Coefficient. There is also a very weak correlation between GDP Growth YoY (%) and corporate tax rates. Moreover, there is a medium correlation between GDP Growth YoY and US interest rates. These results show that there is a pattern between lower income tax for the wealthy and higher inequality, and the economic growth between 1980-1992 could have been related to the lowered costs of borrowing and higher government spending rather than reduced taxes, as they have a slightly stronger correlation. However, it is equally important to note that correlation does not equal causation. While the correlations observed in the data provide valuable insight, external factors like changes in global economic conditions, technological advancements, or demographic shifts that can impact income distribution and economic growth could possibly affect the reliability of the results above, as these are factors that were not accounted for in the analysis. Therefore, while the statistics provide an intriguing overview of the pattern between the variables presented, they do not point to causation. To conclude, there is very little evidence that suggests tax cuts for the wealthy will ‘ trickle down ’ the social hierarchy and kickstart economic prosperity. Whenever governments used policies that were based on this theory, all instances seem to point towards its ineffectiveness, as seen from the immediate interest rate and exchange rate bloodbath caused by Liz Truss’ unfunded ‘ supply-side reform ’ , as well in Reagan’s tax cuts , which exacerbated income and wealth inequality, though the economic growth afte r Reagan’s tax cuts is more likely to have been caused by lower interest rates and large amounts of government spending. I would suggest that, if the aim is to kickstart growth, it would be better to apply tax cuts for the middle class, as it puts purchasing power in the hands of the broader population. This increases consumption, triggering a positive multiplier effect, and combating inequality at the same time. Moreover, governments should stop focusing on how the economic pie is distributed – instead, they should be looking at how to grow ‘ the pie ’ as a whole, making sure that everyone is better off instead of only benefiting the wealthiest. Ultimately, tax cuts for the wealthy do not trickle down, and it does not translate to real growth or exert overall economic benefit in the short run, let alone in the long run.

Bibliography

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