Want to know about Economics
The Sum of Us
It's all Greek to Me!
Probability
100

The study of how individuals and societies make decisions about scarce resources.

What is economics?

100

McGhee uses this metaphor from a 1950s public pool closure to illustrate how racism hurts everyone

What is the drained pool? (Bonus: Montgomery, Alabama pools were filled with dirt rather than integrated)

100

This represents the central value in a dataset

What is the mean/average?

100

This represents the likelihood of an event occurring

What is probability?

200

A measure of how much additional revenue is generated from one more unit of production

What is marginal revenue?

200

This chapter 1 concept describes the false belief that helping one group must come at another group's expense

What is zero-sum thinking or zero-sum paradigm? (Bonus: McGhee argues this mentality creates lose-lose outcomes)

200

This test helps determine if there's a significant difference between two population means

What is a t-test?

200

Question: This theorem relates conditional and marginal probabilities of events

What is Bayes' Theorem?

300

The principle that states additional consumption of a good provides decreasing amounts of utility

What is the law of diminishing marginal utility?

300

McGhee uses this state's story to show how racism in higher education hurt both Black and white students by reducing public funding

What is Georgia? (Bonus: The state's HOPE scholarship became less generous for all students after integration demands)

300

This type of error occurs when we incorrectly reject a true null hypothesis

What is Type I error or alpha error?

300

These two events cannot occur simultaneously

What are mutually exclusive events?

400

The situation where one party has more information than another in an economic transaction

What is information asymmetry?

400

These TWO key economic areas in Chapter 3 show how racial discrimination in lending hurt the entire American economy

What are housing segregation and predatory lending? (Bonus: The 2008 financial crisis exemplified this widespread harm)

400

This sampling method ensures that each stratum of a population is properly represented

What is stratified random sampling?

400

This type of probability distribution is characterized by two parameters: n and p

What is the binomial distribution?

500

The mathematical representation of a consumer's preferences over a set of goods and services

What is a utility function?

500

McGhee describes this economic term as the potential gain when people unite across racial lines to demand better conditions for all

What is the Solidarity Dividend? (Bonus: Example of Richmond, VA's fight for clean air shows this in action)

500

This multivariate technique is used to reduce the dimensionality of a dataset while preserving its variability

What is Principal Component Analysis (PCA)?

500

This concept represents the probability of an event given no prior information

What is the prior probability or prior distribution?