Let (X, rho) be a complete metric space and let dim A be the upper box dime
nsion of the set A subset of X. We show that packing dimension of the typic
al tin the sense of Baire category) compact set is at least inf{(dim) over
barB(x, r) : x is an element of X, r > 0). 2000 Mathematics Subject Classif
ication: 28A78; 26A21, 54E52.