DURABLE CONSUMPTION AS A STATUS GOOD: A STUDY OF NEOCLASSICAL CASES



да __ 1 ∂c _ 1 ду _ _ 41)(1+ β + δ) Fkk Fl{y∕l') > θ

(2.18b)


∂η δ∂η δ∂η            (1 + δ)l

= _ Fki дУ_ _ F (1) δ (1+ β + δ) FkiFi o д (y∕Q _ дк=0

∂η    Fkk ∂η         (1 + δ∆                   ∂η ∂η ,

(2.18с)

where13

_ (β + δ) δV"Fkk(1+ β + δ) Fi [7 [(1 + δ)h]-(1+γ) +        21 Fkk(y∕y) > 0.

(1 + δ)a2

The signs of the expressions in (2.18a)-(2.18c) can be directly explained: a higher weight on
status considerations causes consumer-producers to place a greater value on consumption
at the expense of leisure, which is re
flected in (2.18a) in the higher long-run levels of μ and
<y. This leads, in turn, to an increase in work e
ffort y, which, since Fki > 0, causes physical
capital y to accumulate. Nevertheless, the steady-state capital-labor ratio y, determined by
the rate of time preference
β and the curvature of the production function, is independent,
according to (2.18c), of changes in the status preference parameter
η. The long-run rise
in output у leads, as indicated in (2.18b), to an increase in durable consumption c and its
steady-state stock
a. Our results represent, then, an extension of those of Fisher and Hof
(2000b), who in their model non-durable consumption show that “status consciousness”
leads to “too much” consumption, work e
ffort, and physical capital accumulation relative
to a socially planned economy in which status considerations do not play a role.
14

2.2. Fixed Employment Case

In order to explore in greater detail the dynamic properties of the durable consumption
model, we simplify the framework by assuming that employment
fixed. The description
of the
fixed employment version of the model, along with its optimality conditions and

13In calculating (2.18b) and , we have used the fact that (FkkFi Fkiβ) = Fkk (j//ŋ-

14See Fisher and Hof (2000b) proposition 1 and section 4, pp. 10-12. In the context of our model, the
social planner would set
c + a = C + A, implying that (2.17) becomes:

U(c + α,s) = (1 γ)-1 (c + a)1-γ + ηs (1) , γ 0, η > 0.

In this case there is no relative consumption externality arising from status preference.

12



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