Abstract
A resource monopoly behaves as a “conservationist” in models of exhaustible resources. It extracts less today and keeps more resource under the ground than the competitive market does. In this chapter, we consider a model of economically recoverable resources and show that, in the presence of a high-cost competitive fringe, the cartel’s “conservationism” turns into a too early and too intensive resource extraction by the fringe. The “anti-conservationism” of the equilibrium extraction path selected by the fringe proves to be a robust property of the model. As a result, the cartel acts as if it was a strategic player planning its long-term moves to accelerate the depletion of competitors’ resources and to aggravate their competitive disadvantages.
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References
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Appendices
Appendices
1.1 A.1 Solution (11.19), (11.20)
The characteristic equation for system (11.17), (11.18) is
and the negative root is
Let us check that time paths (11.19), (11.20) satisfy differential Eqs. (11.17), (11.18). On the one hand, inserting (11.19), (11.20) into (11.17) implies
On the other hand, differentiating (11.19) yields
These two equations are identical if
This is the case for δ = − λ satisfying the characteristic Eq. (11.47).
1.2 A.2 Solution (11.29), (11.30)
The characteristic equation for system (11.27), (11.28) is
The negative root is \( \lambda =\left(r-\sqrt{r^2+4 r\varphi {c}_{1a}/\beta}\right)/2=-\theta \). Solution (11.29), (11.30) satisfies (11.28):
since c0a = c0b and \( {Q}_a^{\ast }=\varphi \left({Q}_a^{\ast }+{Q}_b^{\ast}\right) \) due to condition (11.26). Insert Eqs. (11.29), (11.30) into (11.27):
The time derivative of Eq. (11.29) is: \( \dot{p}=\beta {\theta}^2\left({Q}_a^{\ast }+{Q}_b^{\ast}\right){e}^{-\theta t}=\left(\beta {\theta}^2/\varphi \right){Q}_a^{\ast }{e}^{-\theta t} \). This coincides with (11.27) for λ = − θ satisfying (11.48).
1.3 A.3 Equation (11.36)
Equalization of time derivatives of price for Eqs. (11.34), (11.35) implies:
Rearrange the terms in this equation and take into account (11.33):
because \( \alpha -{c}_{0a}={c}_{1a}{X}_a^{\ast } \) from Eq. (11.40).
1.4 A.4 Characteristic Equation (11.41)
The characteristic equation for system (11.37)–(11.39) is
which implies:
1.5 A.5 Formulae (11.45), (11.46)
-
(a)
Consider Eq. (11.39) for t = 0:
$$ \beta {\dot{X}}_b(0)={c}_{1a}{X}_a^{\ast }-2\Delta {c}_0 $$
since Xa(0) = Xb(0) = 0. From (11.43):
hence
and
where
which yields (11.46).
-
(b)
Consider Eq. (11.37) for t = 0:
From Eq. (11.44), the time derivative of the cartel price is:
implying that
From Eq. (11.44), we also have it that
Combining the last two equations with (11.50) implies:
Rearrange the terms:
since \( \alpha -{c}_{0b}={c}_{1b}{X}_b^{\ast } \) from (11.40). We have:
where ωa = rc1b(1 − ψ)/β, implying that
since ξ = ψσa + (1 − ψ)σb.
-
(c)
Let us check that Eq. (11.38) is fulfilled as identity for t = 0:
From Eqs. (11.43), (11.44), we have it that
Insert these two equations into (11.51):
Divide both sides by \( \beta \left({X}_a^{\ast }+{X}_b^{\ast}\right) \) and rearrange:
because, due to (11.49):
Consequently, (11.51) holds as identity.
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Vavilov, A., Trofimov, G. (2021). Anti-Conservationist Effects of the Conservationist Oil Cartel. In: Natural Resource Pricing and Rents. Contributions to Economics. Springer, Cham. https://doi.org/10.1007/978-3-030-76753-2_11
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DOI: https://doi.org/10.1007/978-3-030-76753-2_11
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