RDP 2016-03: Why Do Companies Hold Cash? Equation

CAS H ijt =α+βMORNIN G i +γ X ijt +δ( MORNIN G i X ijt )+ μ j + λ t + ε ijt MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=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@6B84@