III. Unparalleled Growth, Increased Inequality:
20th Century Income Trends
Globalization is not just a recent phenomenon. Some analysts have argued that the world economy was just as globalized 100 years ago as it is today. But today commerce and financial services are far more developed and deeply integrated than they were at that time. The most striking aspect of this has been the integration of financial markets made possible by modern electronic communication.
The 20th century saw unparalleled economic growth, with global per capita GDP increasing almost five-fold. But this growth was not steady—the strongest expansion came during the second half of the century, a period of rapid trade expansion accompanied by trade—and typically somewhat later, financial—liberalization. Figure 1a breaks the century into four periods.1 In the inter-war era, the world turned its back on internationalism—or globalization as we now call it—and countries retreated into closed economies, protectionism and pervasive capital controls. This was a major factor in the devastation of this period, when per capita income growth fell to less than 1 percent during 1913-1950. For the rest of the century, even though population grew at an unprecedented pace, per capita income growth was over 2 percent, the fastest pace of all coming during the post-World War boom in the industrial countries.
The story of the 20th century was of remarkable average income growth, but it is also quite obvious that the progress was not evenly dispersed. The gaps between rich and poor countries, and rich and poor people within countries, have grown. The richest quarter of the world’s population saw its per capita GDP increase nearly six-fold during the century, while the poorest quarter experienced less than a three-fold increase (Chart 1b). Income inequality has clearly increased. But, as noted below, per capita GDP does not tell the whole story (see section IV).
III. Unparalleled Growth, Increased Inequality: 20th Century Income TrendsGlobalization is not just a recent phenomenon. Some analysts have argued that the world economy was just as globalized 100 years ago as it is today. But today commerce and financial services are far more developed and deeply integrated than they were at that time. The most striking aspect of this has been the integration of financial markets made possible by modern electronic communication.The 20th century saw unparalleled economic growth, with global per capita GDP increasing almost five-fold. But this growth was not steady—the strongest expansion came during the second half of the century, a period of rapid trade expansion accompanied by trade—and typically somewhat later, financial—liberalization. Figure 1a breaks the century into four periods.1 In the inter-war era, the world turned its back on internationalism—or globalization as we now call it—and countries retreated into closed economies, protectionism and pervasive capital controls. This was a major factor in the devastation of this period, when per capita income growth fell to less than 1 percent during 1913-1950. For the rest of the century, even though population grew at an unprecedented pace, per capita income growth was over 2 percent, the fastest pace of all coming during the post-World War boom in the industrial countries.เรื่องราวของศตวรรษ 20 มีรายได้โดดเด่นเจริญเติบโต แต่ก็ยังค่อนข้างชัดเจนว่า ความคืบหน้าได้ไม่เท่ากันกระจาย ช่องว่างระหว่างประเทศร่ำรวย และยากจน คนรวย หรือคนจนภายในประเทศ มีโต ไตรมาสรวยที่สุดของประชากรโลกเห็นเพิ่มขึ้นของ GDP ต่อหัวเกือบ six-fold ในช่วงศตวรรษ ในขณะที่ไตรมาสยากจนที่สุดมีประสบการณ์น้อยกว่าเพิ่ม three-fold (แผนภูมิ 1b) ความไม่เท่าเทียมกันของรายได้ได้เพิ่มขึ้นอย่างชัดเจน ได้ ตามที่ระบุไว้ด้านล่าง GDP ต่อหัวไม่บอกเรื่องราวทั้งหมด (ดูส่วนที่ IV)
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