Table 1.

Most important variables, functions and parameters (also see electronic supplementary material, table S1).

	symbols	their meaning
variables	x	individual choice: old (x = 0) or new (x = 1) technology
	y	individual attitude towards the new technology (0 ≤ y ≤ 1)
	b	individual benefit/skill of using the new technology
functions	p	frequency of adopters, $p=\sum x_i/N$
	a(p)	individual learning rate, a(p) = a0 + a1 p
	$\Pi (x,b)$	perceived material benefit, equation (2.3)
	V(x, y)	normative component in the utility function, electronic supplementary material, equation (S1)
	U(x, y, b)	utility function, equation (2.2)
parameters	b0	individual benefit of using old technology
	bmin, bmax	minimum and maximum benefits of using new technology
	c	knowledge depreciation rate
	a0, a1	learning parameters
	ω	foresight parameter
	v, α, D	cognitive dissonance parameters (D = (v + α)/2)
	k1, β1, K1	conformity with peers’ actions parameters (K1 = (k1 + β1)/2)
	k2, β2, K2	conformity with peers’ attitudes parameters (K2 = (k2 + β2)/2)
	k3, β3, K3	conformity with authority parameters (K3 = (k3 + β3)/2)
	ɛ	strength of normative factors in the utility function
	λ	precision parameter
control variables	p0, bs	proportion of trained individuals and the subsidy to first adopters
	f0, f1, f3, f4	parameters scaling the effects of cognitive dissonance, visibility of peers’ actions, visibility of peers’ attitudes, and authority’s effort