On Dictatorship, Economic Development and Stability



The trace of J is :


trJ = α + 1+ρ - (1 ~ α)(σ - 1)
ασ

C-" O


The determinant of J is:

DetJ = 1 + ρ > 1

Rearranging the terms of the trace of J yields:

trJ=2+ρ+1 μ (ι - α )(1+p - α ) )
σα

Since the term in brackets is positive, it is straightforward to conclude that |1 + DetJ | <

|trJ |. As a result, the steady state is a saddle point for any σ and ρ.

B Proof of proposition 4

By eliminating the Lagrange multipliers from the equations (16)-(18), we obtain the
following system:

kt+1 = i + β(1 - τt)(1 - α)Akα                           (35)

τt+1 = 1 - Tl        ʌ Λb,a                                         (36)

(1 - qt+1)Akt+1

[    _ [(1 + ρ)(1 + β)]-τtkα(1 - qt)-                  /O7X

qt+1 = --------1—≡----α ------ (37)

α 1 -σ qt σ τt+1 kt+11 σ

40



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