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This paper considers a class of parametric models with nonparametric autoregressive errors. A new test is established and studied to deal with the parametric specification of the nonparametric autoregressive errors with either stationarity or nonstationarity. Such a test procedure can initially avoid misspecification through the need to parametrically specify the form of the errors. In other words, we estimate the form of the errors and test for stationarity or nonstationarity simultaneously. We establish asymptotic distributions of the proposed test. Both the setting and the results differ from earlier work on testing for unit roots in parametric time series regression. We provide both simulated and real-data examples to show that the proposed nonparametric unit root test works in practice.

Compiled by K.G.B. Bakewell covering the following journals published by Emerald: Facilities Volumes 8‐19; Journal of Property Investment & Finance Volumes 8‐19; Property Management Volumes 8‐19; Structural Survey Volumes 8‐19.

Compiled by Indexing Specialists (UK) Ltd covering the following journals published by Emerald: Facilities Volumes 8‐20; Journal of Property Investment & Finance Volumes 8‐20; Property Management Volumes 8‐20; Structural Survey Volumes 8‐20.

Compiled by K.G.B. Bakewell covering the following journals published by Emerald: Facilities Volumes 8‐19; Journal of Property Investment & Finance Volumes 8‐19; Property Management Volumes 8‐19; Structural Survey Volumes 8‐19.

Compiled by Indexing Specialists (UK)Ltd covering the following journals published by Emerald: Facilities Volumes 8‐20; Journal of Property Investment & Finance Volumes 8‐20; Property Management Volumes 8‐20; Structural Survey Volumes 8‐20.

The issues of development of decisions are very important during formation of the system of management of modern business systems in the conditions of turbulence of external conditions. The ideas of rational structuring of information flows, which are used for decision making, are related to the necessity for development of communicative culture of companies. Quality of interaction between persons that participate in decision making should be assessed by analyzing the ratio of probabilities that characterize quality of information and correctness of decisions and development of a special model.

The paper takes the air-ground integrated wireless ad hoc network-integrated system as the research object, this paper aims to propose a distributed robust H_∞ adaptive fault-tolerant control algorithm suitable for the system to distribute to solve the problem of control and communication failure at the same time.

In the paper, the authors propose a distributed robust H_∞ adaptive fault-tolerant control algorithm suitable for the air-ground integrated wireless ad hoc network-integrated system.

The results show that the integrated system has good robustness and fault tolerance performance indicators for flight control and wireless signal transmission when confronted with external disturbances, internal actuator failures and wireless network associated failures and the flight control curve of the quadrotor unmanned aerial vehicle (UAV) is generally smooth and stable, even if it encounters external disturbances and actuator failures, its fault tolerance performance is very good. Then in the range of 400–800 m wireless communication distance, the success rate of wireless signal loop transmission is stable at 80%–100% and the performance is at least relatively improved by 158.823%.

This paper takes the air-ground integrated wireless ad hoc network-integrated system as the research object, based on the robust fault-tolerant control algorithm, the authors propose a distributed robust H_∞ adaptive fault-tolerant control algorithm suitable for the system and through the Riccati equation and linear matrix inequation method, the designed distributed robust H_∞ adaptive fault-tolerant controller further optimizes the fault suppression factor γ, so as to break through the limitation of only one Lyapunov matrix for different fault modes to distribute to solve the problem of control and communication failure at the same time.

This paper aims to examine the role of outside peacekeepers in a bilateral conflict.

The authors build upon a trade theoretic framework by incorporating disruptions due to war, which could affect directly the return to investment, both domestic and foreign, and by introducing explicitly peacekeeping forces into the model. Two countries are engaged in a war, with the purpose of capturing capital. A third country plays a dual role: it is the source of investments in the warring countries, and it deploys soldiers on ground for peacekeeping purposes. The authors consider the cases where the levels of foreign investments are exogenous and when they are endogenously determined by free mobility conditions. In the worst case, they find that foreign investment reduces conflict. In the case of endogenous foreign investments, they examine the effect of multilateral agreements where the two warring countries reduce their number of soldiers and the third increases the number of peacekeepers.

The authors find that the reform benefits all three countries and increases the level of foreign investments. They consider the cases of exogenous and endogenous foreign direct investment (FDI). In the first case, the authors examine the effect of an exogenous increase in FDI on the war equilibrium and find that it reduces the employment of soldiers in the warring countries and increases the size of the peacekeeping force. They also find that the first-best level of peacekeeping is larger than the equilibrium level. When FDI is endogenous, starting from the initial war equilibrium, they also examine the effect of a multilateral agreement in which the size of the peacekeeping force is increased by the third country and the two warring countries agree to reduce their war efforts. The authors find that the reform makes all three countries better off and increases the level of FDI.

The paper uses a theoretical model with third-party interventions in a bilateral war. It intends to shed light on some of the missing economic implications of peacekeeping. The paper introduces explicitly peacekeeping forces into the analysis and introduces a factor that represents a disruption to return on investment in both warring countries. The third country has a dual role; it provides investments in the warring countries and deploys soldiers for peacekeeping. Peacekeeping reduces the disruption mentioned above and affects the employment of soldiers by the warring countries. The authors find that a multilateral agreement in which the two warring countries reduce their war efforts and the third party increases its peacekeeping force can increase welfare in all three countries.