 Both he and his nephew, Joachim Beuckelaer, painted market scenes, street vendors and merchants extensively.Elizabeth Honig argues that painters' interest in markets was in part due to the changing nature of the market system at that time.The public began to distinguish between two types of merchant, the "meerseniers" which referred to local merchants including bakers, grocers, sellers of dairy products and stall-holders, and the "koopman," which described a new, emergent class of trader who dealt in goods or credit on a large scale.