WEBVTT 99:59:59.999 --> 99:59:59.999 ♪ [music] ♪ 99:59:59.999 --> 99:59:59.999 - [Don] The astonishing growth in prosperity 99:59:59.999 --> 99:59:59.999 in the last two or three hundred years 99:59:59.999 --> 99:59:59.999 is one of the greatest events of humankind. 99:59:59.999 --> 99:59:59.999 Take the average human in say the year 1000 BC. 99:59:59.999 --> 99:59:59.999 He's poor, fighting to find food and to fend off diseases. 99:59:59.999 --> 99:59:59.999 Fast forward 500 years to the time of classical Greece. 99:59:59.999 --> 99:59:59.999 Still poor still hungry. 99:59:59.999 --> 99:59:59.999 How about another thousand years after that? 99:59:59.999 --> 99:59:59.999 It's the dark ages. 99:59:59.999 --> 99:59:59.999 Wow. Still poor. 99:59:59.999 --> 99:59:59.999 Then jump to the 18th century and forward. 99:59:59.999 --> 99:59:59.999 Things change rapidly. 99:59:59.999 --> 99:59:59.999 This phenomenon is known as the hockey stick 99:59:59.999 --> 99:59:59.999 of human prosperity. 99:59:59.999 --> 99:59:59.999 Take what is surely one of the most important measures 99:59:59.999 --> 99:59:59.999 of human well-being: life expectancy. 99:59:59.999 --> 99:59:59.999 Before the Industrial Revolution, life expectancy 99:59:59.999 --> 99:59:59.999 was around thirty years. 99:59:59.999 --> 99:59:59.999 Today in the United States, we expect to live 99:59:59.999 --> 99:59:59.999 to be about eighty. 99:59:59.999 --> 99:59:59.999 Prior to the industrial revolution, one in four kids would die 99:59:59.999 --> 99:59:59.999 before the age of 5. 99:59:59.999 --> 99:59:59.999 Today in developed countries, it is more like one 99:59:59.999 --> 99:59:59.999 and two hundred. 99:59:59.999 --> 99:59:59.999 Due to better nutrition, we grow to be four inches taller 99:59:59.999 --> 99:59:59.999 than we were just 250 ago. 99:59:59.999 --> 99:59:59.999 Remember this disease? 99:59:59.999 --> 99:59:59.999 No you don't, because it was eradicated in 1977. 99:59:59.999 --> 99:59:59.999 Look around -- you'll find a roof over your head 99:59:59.999 --> 99:59:59.999 and a hard floor under your feet. 99:59:59.999 --> 99:59:59.999 Most of our ancestors with the huts with dirt floors 99:59:59.999 --> 99:59:59.999 and thatched roofs. 99:59:59.999 --> 99:59:59.999 Everything was infested with insects and rodents. 99:59:59.999 --> 99:59:59.999 Streets and alleys were open sewers. 99:59:59.999 --> 99:59:59.999 There were none of these. 99:59:59.999 --> 99:59:59.999 The filt was horrible and often toxic. 99:59:59.999 --> 99:59:59.999 Our ancestors ate gruel 99:59:59.999 --> 99:59:59.999 and wore the same home-made underwear over and over. 99:59:59.999 --> 99:59:59.999 Now, even the least fortunate Americans 99:59:59.999 --> 99:59:59.999 typically have electricity, running water, toilets, 99:59:59.999 --> 99:59:59.999 refrigerators, televisions, and, yes, cheap washable underwear. 99:59:59.999 --> 99:59:59.999 Those of us who live in modern industrial society 99:59:59.999 --> 99:59:59.999 are incredibly, amazingly, off the charts rich 99:59:59.999 --> 99:59:59.999 compared to our ancestors, 99:59:59.999 --> 99:59:59.999 and here's yet another huge difference between us 99:59:59.999 --> 99:59:59.999 and our ancestors. 99:59:59.999 --> 99:59:59.999 Before the Industrial Revolution, people knew how to make 99:59:59.999 --> 99:59:59.999 from scratch many other things they consumed. 99:59:59.999 --> 99:59:59.999 They made a lot of their own clothing, 99:59:59.999 --> 99:59:59.999 grew most of their own food, and build their own dwellings. 99:59:59.999 --> 99:59:59.999 Fast forward to today and believe it or not, 99:59:59.999 --> 99:59:59.999 none of us is a hint how to make the majority 99:59:59.999 --> 99:59:59.999 of the things that we consume. 99:59:59.999 --> 99:59:59.999 Just getting ready in the morning involves taking many trips 99:59:59.999 --> 99:59:59.999 around the globe. 99:59:59.999 --> 99:59:59.999 Take this coffee for example. 99:59:59.999 --> 99:59:59.999 beans come from Guatemala and they were brewed 99:59:59.999 --> 99:59:59.999 in this coffeemaker from Switzerland. 99:59:59.999 --> 99:59:59.999 The container ship that carried the beans was built in Korea. 99:59:59.999 --> 99:59:59.999 It's insured by a company from London 99:59:59.999 --> 99:59:59.999 and it's captained by a Frenchman who loves Turkish cigarettes. 99:59:59.999 --> 99:59:59.999 We've transitioned from each of us doing many things 99:59:59.999 --> 99:59:59.999 to each of us doing one thing. 99:59:59.999 --> 99:59:59.999 Having a job only makes sense in a modern world 99:59:59.999 --> 99:59:59.999 where each individual typically does only one type of work. 99:59:59.999 --> 99:59:59.999 So while we mostly only produce one thing doing one job 99:59:59.999 --> 99:59:59.999 each of us now consumes a whole bunch of products 99:59:59.999 --> 99:59:59.999 that require a whole bunch of jobs to produce. 99:59:59.999 --> 99:59:59.999 The question where prosperity comes from 99:59:59.999 --> 99:59:59.999 launched the field of economics. 99:59:59.999 --> 99:59:59.999 It's why Adam Smith wrote the first book 99:59:59.999 --> 99:59:59.999 in modern economics. 99:59:59.999 --> 99:59:59.999 An inquiry into the nature and causes 99:59:59.999 --> 99:59:59.999 of The Wealth of Nations. 99:59:59.999 --> 99:59:59.999 Back in 1776 when he published it, Smith was trying to understand 99:59:59.999 --> 99:59:59.999 the causes of modern prosperity that were just starting to appear. 99:59:59.999 --> 99:59:59.999 Poverty and starvation were still normal as they had been 99:59:59.999 --> 99:59:59.999 from the beginning, but in the late 18th century, 99:59:59.999 --> 99:59:59.999 for the first time ever, the masses began to enjoy riches 99:59:59.999 --> 99:59:59.999 once reserved only for the nobility. 99:59:59.999 --> 99:59:59.999 It is this mass prosperity that Adam Smith sought to explain. 99:59:59.999 --> 99:59:59.999 Why was it happening? 99:59:59.999 --> 99:59:59.999 What was causing wealth to move from being the exception 99:59:59.999 --> 99:59:59.999 to being the norm. 99:59:59.999 --> 99:59:59.999 Now look around try to figure out what causes poverty 99:59:59.999 --> 99:59:59.999 instead of what causes prosperity. 99:59:59.999 --> 99:59:59.999 You are watching Everyday Economics, 99:59:59.999 --> 99:59:59.999 a course where we use the lens of Economics 99:59:59.999 --> 99:59:59.999 to explore everyday questions. 99:59:59.999 --> 99:59:59.999 This section is about trade. 99:59:59.999 --> 99:59:59.999 In the upcoming videos, we will attempt to explain 99:59:59.999 --> 99:59:59.999 how trade plays a role in our prosperity. 99:59:59.999 --> 99:59:59.999 You also get to decide where the course goes. 99:59:59.999 --> 99:59:59.999 Maybe you have some questions related to trade 99:59:59.999 --> 99:59:59.999 that you've wondered about. 99:59:59.999 --> 99:59:59.999 We'll cover the basics and then you tell us 99:59:59.999 --> 99:59:59.999 what topics come next. 99:59:59.999 --> 99:59:59.999 ♪ [music] ♪