Ratio of ED (left) and projected shape–density [w_{δ +}, (right)] correlation functions of the stellar components of galaxies in MBII and Illustris in two stellar mass bins, 10^9.0–10.5 h⁻¹ M_⊙ and 10^10.5–12.0 h⁻¹ M_⊙. The horizontal lines represent the best-fitting values obtained after fitting the ratio to a straight line in the range 0.1–10 h⁻¹ Mpc and the line colour indicates the corresponding mass bin.