39
(real income of approximately $1 a day),
66
the World Bank (2003a) estimates that the
fraction of households living in absolute poverty in China has fallen from about 50
percent in 1981 to about 7 percent in 2002. This implies a
reduction in the number of
individuals in absolute poverty by about 400 million during the reform period. If the
poverty line is instead drawn at about $2 a day,
67
the reduction is from about 88 to about
45 percent of the population – thereby illustrating the obvious fact that China is still a
country with widespread poverty.
Against the background of China’s fast GDP growth, the reduction
in absolute poverty is
no mystery. However, international experience shows that there is not always a tight
relation between aggregate economic growth and the incidence of poverty (Sen, 1985;
Bardhan, 1996; Islam, 1990; Lipton and Ravallion, 1995).
68
In particular, the sector
composition of growth is important. An illustration is that nearly half of the decline in
absolute poverty in China (by the one-dollar definition) took place in the early 1980s,
basically as a result of the increased productivity, and
the improved terms of trade, for
agriculture in connection with the shift from collective farms to family farms. Indeed,
Ravallion and Chen (2006) calculate that 75-80 percent of the drop in national poverty
incidence since the beginning of the reform period is a result of the reduction in poverty
among the rural population.
69
It is, however, also well known that
relative
poverty has increased from the mid-1980, in
the sense that per capita income of the poorest sections of the population has increased
less than the income of other groups. Indeed, the economic
situation of the shrinking
group of individuals remaining in severe poverty seems to have improved only modestly.
For instance, according to Ravallion and Chen (2003), the mean growth rate for the
poorest decile during the 1990s was only 3.6 percent, while per capita GDP growth was
above 8 percent. As a result, while the poorest 10 percent of households earned 2 percent
66
US
$
1.08 a day in 1993 PPP.
67
US
$
2.15 a day in 1993 PPP.
68
Time-series regressions reported by the World Bank (2001, pp.17-18) suggest
that each additional
percentage point of nationwide growth in per capita GDP in China has been associated with a fall in the
fraction of individuals living in absolute poverty in rural areas by 0.8 percentage points during the 1990s
(one-variable regression). Cross-provincial regression indicates an even stronger relation: 1.8 percentage
points. Rather similar results are recorded by Ravallion and Chen (2004).
69
Fan, Zhang and Zhan (2004) have hypothesized that the heavy infrastructure investment in interior
regions over several decades prior to the economic reforms finally paid off in terms of higher
productivity in the agricultural sector, when economic incentives in that sector were drastically
improved by the shift to family farms.
40
of aggregate disposable household income in 2001, the richest 10 percent earned 35
percent (World Development Indicators, 2006).
This rise in
relative poverty should, of course, be seen in the context of the widening of
the
overall
dispersion of income distribution in China during the reform period; see, for
instance, Renwei (2000). According to the World Bank (2003a, 2004), the Gini
coefficient of per capita household income in China increased from 0.28 in 1981 to 0.32
in 1990, and to 0.43 in 2001; several other studies give similar results.
70
It is well known
that increased income gaps across provinces and (from the mid-1980s)
also between urban
and rural areas have contributed to this development.
71
In the words of Zhang et al.
(2001), China’s provinces have developed into so-called “income clubs”– with rich clubs
in the eastern (coastal) regions, middle-income clubs in the center, and poor clubs in the
western (highland) regions.
While the relative per capita income gap
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