Adult Skills in the Context of Skill Formation
- Slides: 29
Adult Skills in the Context of Skill Formation Across the Life-Cycle Pedro Carneiro University College London, Institute for Fiscal Studies, Centre for Microdata Methods and Practice April 2009 1
Adult Skills, Inequality and Economic Growth n When we talk about skills and the economy we think about the productivity of the workforce, inequality, poverty (and a few other things). n In this context I would like to alert you to two problems in modern economies: Slowdown in the growth of educational attainment n Changing nature of economic growth and implications for poverty n 2
Slowdown in Growth of Educational Attainment 3
Low Skills, Inequality and Poverty Log GDP 11. 2 11 10. 8 10. 6 10. 4 10. 2 10 9. 8 9. 6 9. 4 1958 1968 1978 1988 Year 1998 2008 2018 4
(Modern) Growth Benefits the Top – Low Skilled at the Bottom 5
Large Fraction of Illiterate Adults, without parallel in Europe 6
Policies to Foster Human Capital n Stagnation in growth of educational attainment, even with rising returns to investments in education. n Sharp increase in inequality, stagnation of incomes at the bottom (unemployment. . . ), large proportion of low skilled. n Need to understand causes of skill problem. And in order to design policy, need to understand technology of skill formation. 7
Adult Skills are the result of a lifetime of investments n Start in utero (development of brain) n It is remarkable how events in utero or shortly after birth can have long lasting consequences n Continue well beyond the school years. n Most of our productive skills are acquired on the job. n There is a strong link across stages of a person’s life – requires integrated view of education policy over the life-cycle. The effectiveness of adult investments depends on history of past investments. 8
Influenza Pandemic – Fall 1918 9
Maternity Leave in Norway 10
Multiple Skills n Considerable emphasis on cognitive achievement. Much less emphasis on other types of skill (say, non-cognitive), such as: persistence, discipline, patience. . . n But these other types of skills: Are important for a wide range of measures of adult success n Can be affected by interventions n 11
Ex: GED (High School Equivalency for Dropouts) 12
GEDs do poorly in labor market 13
GEDs are troublemakers 14
Schools, Firms. . . And Families n Parental education, family income, family structure, and similar variables, are the best predictors of school performance. n How to involve families in education policy? n Challenge for poor children: n Center Based – Perry Pre-School (Sure Start) n Home Visits - Jamaica 15
Gaps in Cognitive Skills by SES Emerge Early and Persist 16
Gaps in Non-Cognitive Skills by SES Emerge Early and Persist 17
Flip side: improvements in the education of current generation will translate into better parenting for future generations. Impact of Increasing (Black) Mother’s Education by one year on: Math (age 12) 0. 080 (0. 028) Behavior Problems (age 12) -0. 099 (0. 039) Grade Repetition -0. 065 (0. 016) Reading to Child ¾ Times a Week 0. 054 (0. 018) Own Computer 0. 065 (0. 019) Adult at Home at All Times 0. 051 (0. 017) 18
Plasticity – Sensitive and Critical Periods of Learning n There is some plasticity in the ability to learn at different ages, but it is very far from infinite. For some skills, sensitive and critical periods of learning occur very early in life. n Several examples from humans and animals: Early Affiliative Bond Disruption in Monkeys (maternal removal at 1 and 6 months) n Intensive Early Grooming of Rats n Language Acquisition n Cataracts in Mammals (change in brain architecture) n 19
Evidence from Social Programs n Different degrees of plasticity for different skills. IQ fairly stable very early in life and hard to change. Behavior more malleable until later ages. n We observe this in early childhood and adolescent interventions (enormous gains on crime prevention, and engagement in risky behaviors; more limited gains on cognition). n If we do not want to miss critical and sensitive periods of learning then invest early. If we miss them, some things can be remediated, but behavioral skiils seem more malleable than cognitive skills. n Yet another argument for emphasizing the 20 importance of non-cognitive skills.
Skill Begets Skill n Adult learning builds on learning in adolescence, which in turn builds on learning in childhood: investments early in life increase the productivity of later investments. n Flip side: if skill is not accumulated early on the costs of remediation can be (prohibitively? ) high – it is difficult to learn if there is not a solid ground on which to build. n Conversely, investments early in life will not flourish if they are not followed up by subsequent investments. 21
Evidence (some examples) n Early skills increase product of later investments: Returns to education higher for high ability children. True in US, Sweden, Norway. UK? n Private job training is taken up by the most educated and able works in the firm (true in UK, US). These are the workers for whom returns are likely to be the largest. n n But need to follow up early investments: n Head Start 22
Head Start – No Effects for Blacks? 23
No. . . Much Larger Fade-Out for Blacks (who attend poor schools) 24
In Summary: n Skill formation is a life-cycle process n There are multiple skills n Schools, firms, families are equal partners n Plasticity n Dynamic Complementarity n Two applications: n Failure of public job training programs n Importance of credit constraints for access to higher education 25
SES Gaps in College Attendance 26
College Attendance by Ability and Family Income 27
Gaps Diminished When Take Family Factors Into Account 28
Main Predictor of College Attendance are Cognitive Skills 29
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