1 99:59:59,999 --> 99:59:59,999 ♪ [music] ♪ 2 99:59:59,999 --> 99:59:59,999 - [Don] The astonishing growth in prosperity 3 99:59:59,999 --> 99:59:59,999 in the last two or three hundred years 4 99:59:59,999 --> 99:59:59,999 is one of the greatest events of humankind. 5 99:59:59,999 --> 99:59:59,999 Take the average human in say the year 1000 BC. 6 99:59:59,999 --> 99:59:59,999 He's poor, fighting to find food and to fend off diseases. 7 99:59:59,999 --> 99:59:59,999 Fast forward 500 years to the time of classical Greece. 8 99:59:59,999 --> 99:59:59,999 Still poor still hungry. 9 99:59:59,999 --> 99:59:59,999 How about another thousand years after that? 10 99:59:59,999 --> 99:59:59,999 It's the dark ages. 11 99:59:59,999 --> 99:59:59,999 Wow. Still poor. 12 99:59:59,999 --> 99:59:59,999 Then jump to the 18th century and forward. 13 99:59:59,999 --> 99:59:59,999 Things change rapidly. 14 99:59:59,999 --> 99:59:59,999 This phenomenon is known as the hockey stick 15 99:59:59,999 --> 99:59:59,999 of human prosperity. 16 99:59:59,999 --> 99:59:59,999 Take what is surely one of the most important measures 17 99:59:59,999 --> 99:59:59,999 of human well-being: life expectancy. 18 99:59:59,999 --> 99:59:59,999 Before the Industrial Revolution, life expectancy 19 99:59:59,999 --> 99:59:59,999 was around thirty years. 20 99:59:59,999 --> 99:59:59,999 Today in the United States, we expect to live 21 99:59:59,999 --> 99:59:59,999 to be about eighty. 22 99:59:59,999 --> 99:59:59,999 Prior to the industrial revolution, one in four kids would die 23 99:59:59,999 --> 99:59:59,999 before the age of 5. 24 99:59:59,999 --> 99:59:59,999 Today in developed countries, it is more like one 25 99:59:59,999 --> 99:59:59,999 and two hundred. 26 99:59:59,999 --> 99:59:59,999 Due to better nutrition, we grow to be four inches taller 27 99:59:59,999 --> 99:59:59,999 than we were just 250 ago. 28 99:59:59,999 --> 99:59:59,999 Remember this disease? 29 99:59:59,999 --> 99:59:59,999 No you don't, because it was eradicated in 1977. 30 99:59:59,999 --> 99:59:59,999 Look around -- you'll find a roof over your head 31 99:59:59,999 --> 99:59:59,999 and a hard floor under your feet. 32 99:59:59,999 --> 99:59:59,999 Most of our ancestors with the huts with dirt floors 33 99:59:59,999 --> 99:59:59,999 and thatched roofs. 34 99:59:59,999 --> 99:59:59,999 Everything was infested with insects and rodents. 35 99:59:59,999 --> 99:59:59,999 Streets and alleys were open sewers. 36 99:59:59,999 --> 99:59:59,999 There were none of these. 37 99:59:59,999 --> 99:59:59,999 The filt was horrible and often toxic. 38 99:59:59,999 --> 99:59:59,999 Our ancestors ate gruel 39 99:59:59,999 --> 99:59:59,999 and wore the same home-made underwear over and over. 40 99:59:59,999 --> 99:59:59,999 Now, even the least fortunate Americans 41 99:59:59,999 --> 99:59:59,999 typically have electricity, running water, toilets, 42 99:59:59,999 --> 99:59:59,999 refrigerators, televisions, and, yes, cheap washable underwear. 43 99:59:59,999 --> 99:59:59,999 Those of us who live in modern industrial society 44 99:59:59,999 --> 99:59:59,999 are incredibly, amazingly, off the charts rich 45 99:59:59,999 --> 99:59:59,999 compared to our ancestors, 46 99:59:59,999 --> 99:59:59,999 and here's yet another huge difference between us 47 99:59:59,999 --> 99:59:59,999 and our ancestors. 48 99:59:59,999 --> 99:59:59,999 Before the Industrial Revolution, people knew how to make 49 99:59:59,999 --> 99:59:59,999 from scratch many other things they consumed. 50 99:59:59,999 --> 99:59:59,999 They made a lot of their own clothing, 51 99:59:59,999 --> 99:59:59,999 grew most of their own food, and build their own dwellings. 52 99:59:59,999 --> 99:59:59,999 Fast forward to today and believe it or not, 53 99:59:59,999 --> 99:59:59,999 none of us is a hint how to make the majority 54 99:59:59,999 --> 99:59:59,999 of the things that we consume. 55 99:59:59,999 --> 99:59:59,999 Just getting ready in the morning involves taking many trips 56 99:59:59,999 --> 99:59:59,999 around the globe. 57 99:59:59,999 --> 99:59:59,999 Take this coffee for example. 58 99:59:59,999 --> 99:59:59,999 beans come from Guatemala and they were brewed 59 99:59:59,999 --> 99:59:59,999 in this coffeemaker from Switzerland. 60 99:59:59,999 --> 99:59:59,999 The container ship that carried the beans was built in Korea. 61 99:59:59,999 --> 99:59:59,999 It's insured by a company from London 62 99:59:59,999 --> 99:59:59,999 and it's captained by a Frenchman who loves Turkish cigarettes. 63 99:59:59,999 --> 99:59:59,999 We've transitioned from each of us doing many things 64 99:59:59,999 --> 99:59:59,999 to each of us doing one thing. 65 99:59:59,999 --> 99:59:59,999 Having a job only makes sense in a modern world 66 99:59:59,999 --> 99:59:59,999 where each individual typically does only one type of work. 67 99:59:59,999 --> 99:59:59,999 So while we mostly only produce one thing doing one job 68 99:59:59,999 --> 99:59:59,999 each of us now consumes a whole bunch of products 69 99:59:59,999 --> 99:59:59,999 that require a whole bunch of jobs to produce. 70 99:59:59,999 --> 99:59:59,999 The question where prosperity comes from 71 99:59:59,999 --> 99:59:59,999 launched the field of economics. 72 99:59:59,999 --> 99:59:59,999 It's why Adam Smith wrote the first book 73 99:59:59,999 --> 99:59:59,999 in modern economics. 74 99:59:59,999 --> 99:59:59,999 An inquiry into the nature and causes 75 99:59:59,999 --> 99:59:59,999 of The Wealth of Nations. 76 99:59:59,999 --> 99:59:59,999 Back in 1776 when he published it, Smith was trying to understand 77 99:59:59,999 --> 99:59:59,999 the causes of modern prosperity that were just starting to appear. 78 99:59:59,999 --> 99:59:59,999 Poverty and starvation were still normal as they had been 79 99:59:59,999 --> 99:59:59,999 from the beginning, but in the late 18th century, 80 99:59:59,999 --> 99:59:59,999 for the first time ever, the masses began to enjoy riches 81 99:59:59,999 --> 99:59:59,999 once reserved only for the nobility. 82 99:59:59,999 --> 99:59:59,999 It is this mass prosperity that Adam Smith sought to explain. 83 99:59:59,999 --> 99:59:59,999 Why was it happening? 84 99:59:59,999 --> 99:59:59,999 What was causing wealth to move from being the exception 85 99:59:59,999 --> 99:59:59,999 to being the norm. 86 99:59:59,999 --> 99:59:59,999 Now look around try to figure out what causes poverty 87 99:59:59,999 --> 99:59:59,999 instead of what causes prosperity. 88 99:59:59,999 --> 99:59:59,999 You are watching Everyday Economics, 89 99:59:59,999 --> 99:59:59,999 a course where we use the lens of Economics 90 99:59:59,999 --> 99:59:59,999 to explore everyday questions. 91 99:59:59,999 --> 99:59:59,999 This section is about trade. 92 99:59:59,999 --> 99:59:59,999 In the upcoming videos, we will attempt to explain 93 99:59:59,999 --> 99:59:59,999 how trade plays a role in our prosperity. 94 99:59:59,999 --> 99:59:59,999 You also get to decide where the course goes. 95 99:59:59,999 --> 99:59:59,999 Maybe you have some questions related to trade 96 99:59:59,999 --> 99:59:59,999 that you've wondered about. 97 99:59:59,999 --> 99:59:59,999 We'll cover the basics and then you tell us 98 99:59:59,999 --> 99:59:59,999 what topics come next. 99 99:59:59,999 --> 99:59:59,999 ♪ [music] ♪