The History of Shipping and How It Created the Modern World

What It Covers

From ancient river civilizations to modern container ships, this episode traces how transportation costs shaped economic history, using British price data spanning 1700–2000 to quantify the 95–99% reduction in shipping costs that built today's global economy.

Key Questions Answered

• •Water vs. Land Cost Gap: Around 1700 in Britain, road freight cost 1.2 shillings per ton-mile versus 0.12 shillings by river — a tenfold difference. Coastal shipping was cheaper still, with Newcastle-to-London coal costing 60 times less by sea than by road over the same distance.
• •Canal Economics: British canal construction reduced freight rates from 1.2 shillings per ton-mile in 1700 to roughly 0.12 shillings by 1840 — an 80–90% cost reduction. A single horse on a towpath could pull dozens of tons by barge versus one or two tons on an ordinary road.
• •Containerization Efficiency: Malcolm McLean's 1956 container shipping innovation cut port turnaround times by 94%, from roughly eight days to eleven hours. Ships grew from carrying 58 containers to over 24,000 today, driving sea freight costs down approximately 99% in inflation-adjusted terms since 1700.
• •U.S. Geographic Advantage: The United States holds three of the world's premier waterway networks — the Mississippi Basin (more navigable miles than all other world rivers combined), the Great Lakes system, and the 3,000-mile Intracoastal Waterway — giving it a structural economic advantage over other industrializing nations.