They grow in acidic soils, with different species in wet acid bog habitats (K. angustifolia, K. polifolia) and dry, sandy soils (K. ericoides, K. latifolia). Kalmia was named by Linnaeus to honour his friend the botanist Pehr Kalm, who collected it in eastern North America during the mid-18th century.Earlier Mark Catesby saw it during his travels in Carolina, and after his return to England in 1726, imported seeds.hey grow in acidic soils, with different species in wet acid bog habitats (K. angustifolia, K. polifolia) and dry, sandy soils (K. ericoides, K. latifolia). Kalmia was named by Linnaeus to honour his friend the botanist Pehr Kalm, who collected it in eastern North America during the mid-18th century.
Michael Porter discussed this in his influential 1985 book  Competitive Advantage , in which he first introduced the concept of the value chain. A value chain is a set of activities that an organization carries out to create value for its customers.
Equity theory was first developed in 1963 by John Stacey Adams, a workplace and behavioral psychologist, who asserted that employees seek to maintain equity between the inputs that they bring to a job and the outcomes that they receive from it, against the perceived inputs and outcomes of others.