Tag
complementarity
5 findings
EducationInter-Program Additive IndependenceThe interaction coefficient between computer-assisted math learning and remedial instruction was -0.144 for math and -0.020 for total test scores, showing no statistically significant interaction or synergy.RCTLabour & employmentJoint Complementarity of Scale and Verification IntermediariesThe joint treatment increased employer-initiated candidate contact by 147% (from 2.5 to 6.2 candidates) and increased interview likelihood by 25% (13 percentage points). Jointly treated firms were 8 percentage points (68%) more likely to hire from the portal and 11 percentage points (73%) more likely to retain the portal hire after 6 months.RCTFirms & operationsManagement Practices as Complementary Intangible CapitalModern management practices yielded an estimated annual profit increase of $325,000 per plant from reduced mending labor, lower yarn inventory, and increased output. Net direct implementation costs (excluding consulting) averaged under $3,000 per firm, representing a 130% one-year return on investment based on commercial consulting fees of $250,000.RCTFinance & microfinanceNon-Complementarity of Financial Education and AccessTake-up of financial education was 39–41 percentage points across education groups regardless of product offers (p-value for difference = 0.431), and financial product take-up showed no statistically significant difference between access-only and combined groups (p-value = 0.485 for total product take-up test T1+T2=T3).RCTFirms & operationsCapital-Technology and Management Practice ComplementarityFollowing quality defect reductions (43.1%) and TFP gains (16.6%), treatment firm directors began replacing older Sulzer and Rapier looms with advanced Jacquard looms starting in September 2010 to produce higher-markup textiles.RCT